{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xb40e8b2b045144711ff8d7b14c02e303ea0db00c80426a87eb26de979626d601",
    "signature": "0x4a5a99d0b6a592fd54a49d08a7c7381e4f057fe1e0a3b9ad93a1ca69f8a32e6848dcc70dc7e4cc64ba16330fbe8890bfc56bc39ba5b796ee1836258a9b144a6f1b",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}