{
  "manageEntity": {
    "action": "Save",
    "entityId": "1176656185",
    "entityType": "Track",
    "nonce": "0x19eb54dea46a4f1b5464464a8f7d46d5e790d21bffc705370d1098b01be3c063",
    "signature": "0x5c35dd64eb42d7ade719215940b368ae0796b7080e3ce16a9b1b24df3ad76db6306738c7d0e9e0a70bb7b302ec2710d991867f907a6ca1aea27d86ab4c1831101c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}