{
"manageEntity": {
"action": "Save",
"entityId": "34655083",
"entityType": "Track",
"nonce": "0x67d8fdb55c8990a1acd4d8c6acb9946b96fd5cb83188adee4ca5da8d2b5f8992",
"signature": "0x3ea63f9930e43a25b2c33f29f388fd798844e159670d5e5c457a9384fef6328332a7a9fc921a67a95b919444a647383f87c64d6a41b74e4723cf95bff2f1ac511c",
"signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
"userId": "714646433"
}
}