{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xac309a4c325bcf4bca8be3a67f32049d467334823615c8621a138bc3b4c7ea07",
    "signature": "0x2ab5af6c64c3bc02607bb1c363428e2eeba02ba111924498a963c1bd4e81cd142447a5f53307094fb0c637149068b6f6e926142c7be40dda6017af081c94c6191b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}