{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x22a1ca625cae63000eafe6911c714060fca99d1f0d5c0abb55e4d4d32c6f4ca1",
    "signature": "0x25cfb98839b35f6a246299c6b1592be911fa3e9e1a483bf64390e7f1ed92d46b2d36b22e2f469cb59403b52f80e70fc7ebf5afef6dea5f8d94d98fd2e15f62131b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}