{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x0566873510f24ccdd1c164ea13dfe855d96daf05085f64700f97e654b09e63e2",
    "signature": "0x3d6e7e7f3a8e2464d2a5085442c1b5836feefc7c5ac24c01a0f39f1d96f89c6a0b8c6b3f6c695408b38e5f682c591ad0b7e97addb52c241c5ccd245d0c41ecaa1c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}