{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9f87c0de9cf3c86472d60d6117ae050b7255d907ea133d7f7e15a637f08f950e",
    "signature": "0x925f1878fb3349479b3b7d80efc7599688271879a3a567dca27366aab9025bad5fe2907055ee244f0b9ed945f35bef98f899c501c781539ebbe0e4514b8ebef31c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}