{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385462",
    "entityType": "User",
    "nonce": "0x20270a5fbdeb953ad6263ee23e24f8756768975b2d5f2c7f5906026ab240addd",
    "signature": "0xe66ec9b81fa1de6522e05b29e789f697691946d75fe45394692b2cbe3da117363c82eca3f9a1bf41b006f693c37a718b50d670c7c03c548f0a916f17155b562d1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}