{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x7392b84073232dd7362605ee4eb30856afee33edbf43a528476c0cee46c9e322",
    "signature": "0x31dab27fe407d3f6b45c0584d08d949b60c8a1c53b5f7a0ca6492dd7bc8ec6a325ab196c3b64e77b20eab3601ac9481b77173e6a3c735d447a181c68f55af6c61c",
    "signer": "0x25f8e4486CaEE405F1b7Afff1D975E301a0C63D8",
    "userId": "256999102"
  }
}