{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "582447217",
    "entityType": "User",
    "nonce": "0x5d8788f7814a064452ceb85a4b58bf113f0d330c060ff4969a46bb1cc47b71ec",
    "signature": "0x9d338c28645632c60017b76486c7d87bd413bbf33fd3ba6c467b39745320f4471b8eb305fc224d6dc79b7f769d3f1515802e50a6653acd1a353d9795760032841b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}