{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xccbae8f2273f03c44f5b93257adf6eb0b35561dcdaa2eff792d8fb3e4eb1850c",
    "signature": "0x86cc59786b36b091d00b2c7ecbe30465ca981126410beb9e4542c69db7c61b42758cd032b3e9b191eb0f7fd28c83ca3f3cfbcac7623422528afe52e75c95ed271c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}