{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xbb3951baaa414d37889a47ee1912a17a0bafbc3ac9a32f0984657c15d02bb6ed",
    "signature": "0xaa2f4ae2c56216be551a12ad8c1b6c4df83f9f219ab31e209260de1bc33de52a63e46d61adaddca840e3f1cdc65fe1ff28a044e985c2b7162f2ff1bd0a1d7b201b",
    "signer": "0x2E297f3415aa6DcaEB6D1f60e802F38Bc94cd868",
    "userId": "538651626"
  }
}