{
  "manageEntity": {
    "action": "Save",
    "entityId": "1732606897",
    "entityType": "Track",
    "nonce": "0x92967b6d1831e35c3421a895b93b6d3eb386562e670d32997c652f48bdc72c4b",
    "signature": "0x2e2ef1b9a275ce86292041c616a773f2737d94f7db27791be82443e901d4a4fa6a87cd52a12b6eb263aea9badb531b651f57ddd0a00a61adb75d47e4502e3ca91b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}