{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3228baaa9602ece3543ac4376102611fb1372eec401422ba55c2457d7dcd36bd",
    "signature": "0xea4e4e90ea9b33b0c0c8630a0cb37d3bf38e7a59648233754dac62154f89a6be5fda6d71bb13bbd14d333ddac86b650de40ea0cc62fe453516aaaf894ed77e631b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}