{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd39138bebbf9398e306230e5c9b6193356d8b3d752514e1b856c36835df3a22e",
    "signature": "0x2dcaaa7f629ef1965ef8c01f66f17f40efb6a452f8763e30242458ec8752855a76a5d32b58ed4b30afbef2f64ad6f83d470f0aed5063519eda359b87c8fb46e61c",
    "signer": "0x7fB94C741b5E1E1E1F6c11Fb6D52e068D0139B8C",
    "userId": "45487140"
  }
}