{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2b42eedfadcd035c480a3c9003fe3b6b5e0b257361614d424822c5690975a207",
    "signature": "0x1911f2d5c4c97b5df695d88fc33d52d49e132e20d9d5cf09eec3e36d5011b563483c7d3545660492778ece0d3f5dd537bdfdf0b26f1a9db3efc14cb4c68efa901c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}