{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x91b3e36335131974eb70abcaba3055b8631f45438e7355e0b6d948b2879005e1",
    "signature": "0x4bbcd8227a51d7b49b88e3b0055c34d53ff0fa86ad8bd848ca069e139f92191f2d8b5551ca1dcd8d9c234d33c161049cd160e6039e04230012ad7e9fad5eef4f1b",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}