{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9622dcdcc467aa4d01491c560d52f1587ba1b7d6103c9bd321f38d524a06f9cf",
    "signature": "0xd50723460e839b7a07a54725a74f5171fb2f01b971e3cc0103b7362a9e71224f03c7cb23945b097bb654ff642ecdb14381bb9814d63a99292df8c2346e8d7a5d1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}