{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x7b150e095d3638532495bbd11c482ded922f298feeb6a5e65280dcab12a1b759",
    "signature": "0xa59bb60a6cb766c7632a9d025f3f8396e50dc82dea35dca1fe7cea6a1d430d521ae10fef235f0ef2670aed95fc121171e4266c6116135015e630fc174689570a1c",
    "signer": "0x3731d7Ae56BB1D34C65FE26AF2C4CC1FeA87B8D1",
    "userId": "226031618"
  }
}