{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1d94719c3552c5c912db455750c04992f21a18055c6a7c56151eda9340b24ba7",
    "signature": "0x43a2c219b0251a74b2f66fa998e1bb5b8592171b5dbc8c7542bab5b4507faf493870e2bfecdaf0eed81f01e531a48e5ce6f884ba0d4dbb670d5d7574cb84314e1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}