{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x90fd8306d44c70fea8e6bf25c89f373a3310113e99478aea0175c6ba55cdf52b",
    "signature": "0x50c50f5a3083b4a06adc39e149874ce532fc3a356a95c4e9dfeb0e66e74c4fcd62e9aec29e826c0fd1b00eaeeec39dc71165adb917f4aea8ef6592a748afb8e21c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}