{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x1682a8b6c124a7cda3d09a81c64153b7dc152cbb4e64aef265531642be0c491e",
    "signature": "0x27aa4461466a3ba3b18c06ec40aa400a0b3b84c1452ad0197c149f92e7f4441a513553ac7dc4370fd6f09cc6d77b57f0adb8bcf3ea156fcdf6bc9e91cac57a651c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}