{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x06edd03a357f687e5aa2e0009863a5a7cea25f78feeb6866e7e33a8f95e5c0e5",
    "signature": "0x87a772f6a922202ba1c3f6f16ebd164e1b572f8fb9c7398d0b6b4882beaf2bf71a6ff29dc8bd81573329e806dbe5dd474ec9da2d766d466bf19cd70fd240e8151c",
    "signer": "0x8B909e0dA71F8889E96568c1EaFCC43135e5C0EA",
    "userId": "199716246"
  }
}