{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8920fe73c5326d3b2f50e41b7d10b1bb66b163bcda94286d7a59106bbbdc0d6e",
    "signature": "0x51f0a5a80eb8bff2bac799a4d409221412264489ec824a714b0cf5330e17e0d53879f607b09701836d9f19a1cde016386ac6b3cf6c1e4a8ac12cf5ce156859c01b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}