{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd9585f6115b6f64879818b80228f39355b1ed6f49d653262afd99dd07a62d59f",
    "signature": "0x02f953c16f77d905586b26a670fc486ce6afe94289c8ba548442ce44ee6e57b957322e4d94a32f6ee1448130b6c3c61d6927f74edf368db089d813ac421f3fec1c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}