{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0xe1f9de178f9f2f5815bb34f86cb06ca4d1eb33fa4844377ab8feed9af0f88607",
    "signature": "0x80c09927e94911ec2ad443eda33a86014f62087af302bbdba8e9bcd6b566d30470ef48bd00e9d0f2f632585e250101f0d4d1ee1935365bed03b18095007d60ef1b",
    "signer": "0x9f5896C078219d89B9A5D8B9C381b7be8BEf4CFA",
    "userId": "56704236"
  }
}