{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x73285e210f9d296d79b193268e52202937e8b6d5b3d2142a2e6b50a87b0a6851",
    "signature": "0xd05d638f03086d5e093a07fe24cc5823632e9199a2a56b14e79734824e9802ce3a14e33c3629b42e78276f82bad66e54ef1875961a0b43764b5a135c1403369c1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}