{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222737",
    "entityType": "User",
    "nonce": "0x21e083f2ef53b337842e5788b8654f5cb8e2824fb6c75e7927a74b46c6e825a1",
    "signature": "0x79ae353ddc315b86e2a16ef7c1acd4daecbf212356552c9669445f5003bcc00342196b20437d7eeedac041a6746e32ab47f17d7bda0238d4b55c85cf185a970d1c",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}