{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xbe438c9219472fe1663ba53aaa6ea1369c96c2705d0fc4007de74377ca53ccc8",
    "signature": "0xee72919b1db464951d9e5640b8d554dcdae6d67e5d34d604a0eb7b0e14bbe9cc4fd5d961e61a8cfa60979e3e55237c582b6bc058bb16eaaf144a7a9a3b9ac36b1c",
    "signer": "0x428d64088Cec8684502aAcBB5EE93309E5E093E3",
    "userId": "542343021"
  }
}