{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3b2875719a7c5730bef66857a7280856119d3fb2a00d46dd32cc1236ecc6f5c9",
    "signature": "0xdeb9bfede9145224adc7fe44a785b36902d5c053e5445e2717bb41d333e107913248eb31d9d8e92204b2d896815c231b9386dfaa8b270a30c6fb3c3d3f3b78e61b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}