{
  "manageEntity": {
    "action": "Save",
    "entityId": "111833722",
    "entityType": "Track",
    "nonce": "0x80b38bb93f54347c69e3a19cd91053ee3b8eee4d32569afd6c08ce294ac74115",
    "signature": "0x23f1c04226b9ee73b913f21eafd02ef65d28551bcfa91bcc2ae88c956e5edefa6db5e3f54dc7ebb363f1d18acf8eb39a69a5993a6135928200c254690caf3ddc1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}