{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x27e105db6b637d7560f3fff230830df18cdb2c4059d095301fcfaff2556a8617",
    "signature": "0xdaf95d6115bacb1506f4c31b6a73e0e0d5de654cb19aca85f831efe4e2b6e5a810bf9fe42c289f4c7a126ac265cc41367b2cf3d1b4fe04d006009c5f1604f29b1b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}