{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0xc4c399cf9b5b2bde18c7f696fa9c0510edc5d547b066f89b8508fd133b2c777a",
    "signature": "0x92dc3b9db96924cf41f0764e86004de8861e12e1cb9ba8608d91489e352335b11363b53e302833c792e28925a1fff8f18b2c2a6538120ddeaf7f53a00485212c1c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}