{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176537",
    "entityType": "User",
    "nonce": "0x31c211b814ae17b2a0bd95d0ebac40c7eee9edeb9368d783b5a22d05e4bea4a8",
    "signature": "0x02d672dd1ba47db5333661921cfb07d8f29edb257aa878f2b05785077f7feaee199ef05beef2f980f11933e9615b174dbb5621de23e5110c240d1cfcc65421181b",
    "signer": "0xf0cFA206b9d4522724e13fb1B9Aa62e31122e1fc",
    "userId": "222289659"
  }
}