{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x47d271cbba315c3f4f7828ef68187c03fbb72f6a75aab3a88858b1cf159c2c3a",
    "signature": "0x15b2f161418263e488adce0341805bfa5564066666fae74bdac60648cbfa7d712303cb1c514943b1b96287a6351d8d51fae06ba7f776cf19227ed58f02bbd4871c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}