{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311829956",
    "entityType": "User",
    "nonce": "0x9a18f9fbdf5a56f9b929269d505b1f0f44bf9cd610559559a92daa3201912981",
    "signature": "0xf56238b41bca05afca97b63973257dd6a8d267473e681df689bb2927929bd0462c226da03663b139796028013af63c7dd01519f52ab33b5ea05085cb73427d981b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}