{
  "manageEntity": {
    "action": "Save",
    "entityId": "2032903906",
    "entityType": "Track",
    "nonce": "0x7228d934bcd9e7b9073524fc792db86b258a03cb6bed921666dde0fc968c21e2",
    "signature": "0x2967f1b6be4c6b8e944de30270322d16f4bb204a382d01607fc5aa17aaf91d32393654f16cd291062b4e89f2dd28e197cc5c45c26a28f8c51dcd29606e3dbf941c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}