{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8c0cc236134b38731547f72b457462db3281b0fd055eadf1136edb7d6033a3f1",
    "signature": "0xb8fa7e6538e8187986aaa12e320c996a33e839cbc202db6d3c7fdd0aa439429e7d53e1a28d0f50150755e964a95566b7690c30106faa2d79ee44cae0f274a9621c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}