{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x10cb0df8b0af6e4676dd2de6015d4e2bb29c7ebb0c2affac61980b8842da0835",
    "signature": "0x859d18a98cb079700a292d7009f6ec6fd00cc8775fb5dd7f03c54e6d50125e9245f19fc91d8a8c504874b6245a036edfcd216f717c84b39c8afc8b2addca4b651c",
    "signer": "0x8c5473b865B82a2EbAb23745ffe03CA73600768f",
    "userId": "561254107"
  }
}