{
  "manageEntity": {
    "action": "Save",
    "entityId": "11697",
    "entityType": "Track",
    "nonce": "0x7862ade565871464a9caa268f16646f4ac16596db26b107dcff6d08f79c10425",
    "signature": "0x130929e57d42c362a3db8a56c22a5eaa14f0bc43d56a6a1a827c005e1a1a60b334e1e6e08fce33962e4a7e5f1ddc68344a55fa060d66bb3715ca0be810095db91c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}