{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x7a9960cc8876d3bfd8e1a36e5f80a1aa97424f0909e8fe6e5195f6c76d3bd8dd",
    "signature": "0x00c0d2139ef912fad936f65bdf7a1f17b948e28f4086a0826e0c811068be834257aebde0fbf014072981b7bbb49644b405354ff7391ae4c7c77dbe24ce62b6bd1c",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}