{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x5b9e431d2c37e0302b1dd74184925483be8fa8a5a04e84d8cb9f0daee48cdd66",
    "signature": "0x2a5d74f67f1b3cc2ee000e849cb1bafa419be5b51e7ca7d6e299964e33155e513c7a7a069ebf4a41769ea7180d94b1eaf40ba03e75d30692b464a74095517cca1c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}