{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x6c0cabf8b7a86e530c9b66f72357355f95abb3b047f8859769b309e64a95ab67",
    "signature": "0x58d225c70ed041eaef5c8ef734e401f28764b4cad2f9c9fe4de79263a8e0e3ee2c65854b20c8a6940cd71834df401b11c6e04a36cedfd1142055e9f6345be1df1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}