{
  "manageEntity": {
    "action": "Save",
    "entityId": "2034833297",
    "entityType": "Track",
    "nonce": "0xd2864a04c20b0159736efd793c797a480b8586d2a64cfa07aa4ae235d1e901fd",
    "signature": "0xee099e5050a0a08c3b720ecddd118861dd58ed8fb27e2001a97c280ca0b61432033e8b4554501415317d48d707aa48284c772eaa03d1ea0e448cf98b3468cb2c1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}