{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x77f391b604b40150b20b1f177c98faae8177b48e57e8a8c0d353dafde3db98b5",
    "signature": "0x1416ded322aa961c1b95361d334f6fefeb14903aac1c50c4ce3be9823460e6ea16e496e60a5aceb8a2caa570d8815d3361cf41cafa692f887ddf974c8c9b23fe1c",
    "signer": "0x91988274645Ac38858e5dA1c49C63A8B2C3D81cb",
    "userId": "862499607"
  }
}