{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x17059efbcc25ed8e3d43a815f40d84562d1188d6f7ed3eaad0b0799d6721bf00",
    "signature": "0x3c4091cd6bfb3e44e5f24378f7a7e49293184be0a89aab8866cf185aac3d14684fb4e349865517d6816a632477f09fc9f97e06fe419567f96399cb0b5cc40c5a1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}