{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8253ae73bc4115830c8e2a3f5666b33670102a8f13f9ff8c449cd0b09ac49201",
    "signature": "0xec834a01e1fc8fdbe1b7d0399a0818555482d1662dae1e9a01295de97d3df9fc2c3795f9d499b2a9647147801e7ac9bed17cb4e8287e6f1c0b843ddf3785cbc81c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}