{
  "manageEntity": {
    "action": "Save",
    "entityId": "1079295",
    "entityType": "Track",
    "nonce": "0x79be13972ccb1881e8b73534eb080426d3a87c38fe06ebdc07af6780b5ed648f",
    "signature": "0xfdf92f9f603671e41b997c1461a46fb0c372fb3d88f1c91523f9970963ab0c210972aae60593cc9616fb6dc04dddbf8a248cd6391df00c2fe9dfe6757a772e121b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}