{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x73603ef4f24bc399b79f585c2b5c02e212a3d1cb379ec6b9bab13465cbc4ef8a",
    "signature": "0x257a4ea9280117215948597b2ea33b99d7279c91f70bed670dad3c4e2af9edda44ebc9191651f599edfddea5878b9712cd0b94db011d783011fcc68fcfc430721b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}