{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x00acee907fbaf5574628aeaadcbe7677b33f04731252cef966a9c6bc5ac5429f",
    "signature": "0x353ec0d6d4408e5a2e6ae4f33fec5cff32762c656e7a069455f4e9293a6feb8c561e67585b4c5ec3b6da36624dc1c9d2dd3363481df4fcacc4537e51a383d7341c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}