{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8dc64e1cf67de54b87b7b47a82d1f74af07f5c600f1d7ceaa80b9cd286256f4e",
    "signature": "0x449d3d1dca8c82ecca2a2ea937fbbfa4b1c31553c5f37243b1c74935cdc9c7bf1a47d88044b605aa7d86b0450936f1671ce48dea946a1278e546f56e98b59aa61c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}