{
  "manageEntity": {
    "action": "Save",
    "entityId": "1424146651",
    "entityType": "Track",
    "nonce": "0x32b5368a655192ecf87bdc482232936100a0554d38af8ab27e616b732cab22d4",
    "signature": "0x6897495784db8c212c2d24496ee7c40c3e86d3cfdf094bcdea987c11044d16fe0ae4fe75a4f6201b9d5e9fa9562f045ed15f9c7194bfec12eaa7a41e8245c1591b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}