{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x71e0d11bed0c8fa09b2035ebca245a2ee67e847477ba634a2706261569ad8fb2",
    "signature": "0x3ca154021cda8d2f641bb19b458052cee06eb8f6b16794eee1dc5f139f0c3eea797a3dcf79d8a218173d6361dfb81c557fee3f17434748fdff07e31531d121711c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}