curl --request POST \
  --url https://api.bron.org/workspaces/{workspaceId}/transactions/{transactionId}/create-signing-request

{
  "accountId": "<string>",
  "createdAt": "<string>",
  "externalId": "<string>",
  "transactionId": "<string>",
  "workspaceId": "<string>",
  "createdBy": "<string>",
  "embedded": {
    "currentSigningRequest": {
      "accountId": "<string>",
      "blockchainNonce": "<string>",
      "messagesForSigning": {
        "messages": [
          {
            "message": "<string>"
          }
        ],
        "publicKey": "<string>",
        "useBackupPrimitive": true
      },
      "networkId": "<string>",
      "requestParameters": {},
      "shouldBeBroadcasted": true,
      "signed": {
        "signature": "<string>",
        "signatures": [
          {}
        ]
      },
      "signingData": {},
      "signingRequestId": "<string>",
      "transactionId": "<string>",
      "workspaceId": "<string>"
    },
    "events": [
      {
        "accountId": "<string>",
        "assetId": "<string>",
        "createdAt": "<string>",
        "eventId": "<string>",
        "transactionId": "<string>",
        "workspaceId": "<string>",
        "amount": "<string>",
        "blockchainTxId": "<string>",
        "extra": {
          "allowance": [
            {
              "address": "<string>",
              "amount": "<string>",
              "networkId": "<string>",
              "unlimited": true
            }
          ],
          "in": [
            {
              "address": "<string>",
              "amount": "<string>",
              "fromAccountId": "<string>",
              "fromAddressBookRecordId": "<string>",
              "networkId": "<string>"
            }
          ],
          "out": [
            {
              "address": "<string>",
              "amount": "<string>",
              "memo": "<string>",
              "networkId": "<string>",
              "toAccountId": "<string>",
              "toAddressBookRecordId": "<string>"
            }
          ],
          "rewardInfo": {},
          "signingMessage": {
            "message": "<string>",
            "version": "<string>"
          },
          "stakeInfo": [
            {}
          ],
          "transactionFailed": true,
          "walletStateInit": "<string>"
        },
        "networkId": "<string>",
        "symbol": "<string>",
        "usdAmount": "<string>"
      }
    ]
  },
  "expiresAt": "<string>",
  "extra": {
    "approvers": {
      "approvedBy": [
        "<string>"
      ],
      "availableApprovers": [
        "<string>"
      ],
      "limitId": "<string>",
      "number": "<string>",
      "securityDelayDuration": "<string>",
      "securityDelayExpiresAt": "<string>",
      "skipApproval": true
    },
    "blockchainDetails": [
      {
        "blockchainTxId": "<string>",
        "networkId": "<string>"
      }
    ],
    "blockchainRequest": {
      "externalBroadcast": true,
      "networkId": "<string>"
    },
    "confirmations": "<string>",
    "depositTransactionId": "<string>",
    "description": "<string>",
    "fromAccountId": "<string>",
    "fromAddress": "<string>",
    "fromWorkspaceIcon": "<string>",
    "fromWorkspaceName": "<string>",
    "fromWorkspaceTag": "<string>",
    "memo": "<string>",
    "signingRequestId": "<string>",
    "toAccountId": "<string>",
    "toAddress": "<string>",
    "toWorkspaceIcon": "<string>",
    "toWorkspaceName": "<string>",
    "toWorkspaceTag": "<string>",
    "withdrawTransactionId": "<string>"
  },
  "params": {
    "amount": "<string>",
    "assetId": "<string>",
    "feeLevel": "medium",
    "includeFee": "false",
    "memo": "<string>",
    "networkFees": {
      "feePerByte": "<string>",
      "gasLimit": "<string>",
      "gasPriceGwei": "<string>",
      "maxFeePerGas": "<string>",
      "maxPriorityFeePerGas": "<string>"
    },
    "networkId": "<string>",
    "symbol": "<string>",
    "toAccountId": "<string>",
    "toAddress": "<string>",
    "toAddressBookRecordId": "<string>",
    "toWorkspaceTag": "<string>"
  },
  "terminatedAt": "<string>",
  "updatedAt": "<string>"
}