{
  "manageEntity": {
    "action": "Save",
    "entityId": "1160996851",
    "entityType": "Track",
    "nonce": "0x331d3555a978f17104086f0f03e4575fcfaf63e495cd1f790ad64a00362bc28f",
    "signature": "0x1965288e59c32be8b79bba0f007a56e4e1bcd88ac51c45c5bea42c30517790863c9ad8d1afa4e84105089afc63d8126cea0494cd43e9b57794daaa1048a5b1181c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}