{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3527572ab6a3e8e13d21d8cc25c671c8844f15e212ca6e551435b92f6608b2c8",
    "signature": "0x4d9831e0882b45d0d57f2dfabc7d76140f6f84b3bb2b4a5051bcf39ebebaab381c2b8267f05e5a63536fef5e1c412b1ea0169349578a4cff4653e2fca9e1962f1b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}