{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x2a3b929c16103ecf265c141d4c288b7386abeef41f827260cb95753e3aece26a",
    "signature": "0x099a4bbf249852a1c3963d5b9ba8cae93c99e3800c5f42e04e9f693355ee90643aa03bdeb1b361ef3065f5882ae3d982f9ccc75efd93d06cc7ef0f2bf0fbd0381b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}