{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89091852",
    "entityType": "User",
    "nonce": "0x1f95cae9c4dc097cd901d4cae9ba9ed34f6ad95733b20423f4bbf24d55f11e8f",
    "signature": "0x33ef30f93be02aab7ed41f445099a951a393560c0e0bd8f91327e6a786d5a00e5435b4f21573a999eea19ffbfe7f249c69c19fb574730da25e67b29aecc540061b",
    "signer": "0x39788E2D020D54760872178Cea0d5AF12732F02D",
    "userId": "720903941"
  }
}