{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809803",
    "entityType": "User",
    "nonce": "0xb34b8a99491a03047b06aa7adea678193b897dcdff3cd1cf228374cc90d34619",
    "signature": "0xb979e37e911032e6bb649371e138033fd42c0e77a2bc80fc65e58ddb2bede4da1600dba7990bbe396cfca258d7f04108c4dcd8eb4f1a15f5e207f3938acf0ff71b",
    "signer": "0x73C69e0c0a50f0E228106C863e362C350a86Af87",
    "userId": "190031"
  }
}