{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x2cadd1a84d40fbf95c731c35ca3f229740eaf4eeceb9620bf39ef419bb1a7529",
    "signature": "0x766784cfda4bd61e6b16464cbda0d98d5e2e4eb048aa7aa62e32f1fada0e2fb00290700ea5235d0169c0b49bbcac8aaff74fcb4d4c5fe9f48288ccb3bc3d3b7c1c",
    "signer": "0x0e487A5a78653B2c7409C1fA1f74Acd5f343AA5C",
    "userId": "663827704"
  }
}