{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x8a32297555dce03e3b0ea138a30606953ffa0da33e85e623c6254305ccfbe837",
    "signature": "0xd892b2bc35aef5c7c4547f88d116ab1a206f7d206e57f1059a2b8664ab6a836a7d6fc08fdbf91688ef8e783eb4048f98523f474d55cd8e811dfd0633a50683da1b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}