{
  "manageEntity": {
    "action": "Save",
    "entityId": "2084430227",
    "entityType": "Track",
    "nonce": "0x89e9e5cf26838c2954cb2673db63703d4eb95813cb9f1552110a7e78d25f21ae",
    "signature": "0x93a80e3883318006c7840ed5c52c274cb0e043988eee54774bc00851f16d197757e8040f32d1c516bdc9bcf01a4832281d4d24fc29b72f980040f7a78a7d05d81b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}