{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2ff9f480c501e0858f9386d8a259a353420d8d2e8120b0e07236d5d46a86f15b",
    "signature": "0xf2cb08168215e37787cb39927c76ab31accc8004377c529936a0fa8313861fdd60fa8fcb4ca65721a8bdc6613ef75b9599e5b92e8da00795eebeb4511dc1673a1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}