{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x1ea5c78ad43fb1e145e009d701b79e80a4e4b1a24c801a49cb297133ce7c8f64",
    "signature": "0x4257b4d1e50bdd35f3f485dbe50ecd26c5a89242d9cd3a49095169c6507329045a1cc1d4966d70fef5f9f6d6a9874c9b8500cb826f254aa4152a38c8489a2e351b",
    "signer": "0x84dF4ff73DF399FdC88dE60B14d895115FD67044",
    "userId": "364437"
  }
}