{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "897648338",
    "entityType": "User",
    "nonce": "0x116a1d27eabc64417f052324f67a2e140c06288209179cd922d34890354329a7",
    "signature": "0x6804ce20682a4620d5458e2df76f47f45f3dc4113e76616600b399504412b9af43a7a6254c0c7249d703221980f764f5b509b218f46a9a32ee9013e71e34b13d1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}