{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "470819450",
    "entityType": "User",
    "nonce": "0x091288261df8d0031d259b53b76a3d28265930d07187ec65bf1f0b8806f3961c",
    "signature": "0xe451f6853cf5fa4dca2a59ba78966291da00853d9d2536a5f8d83fac70d7655a163af085b81ddc2bab51ead85c7c11719bcd4f3edf65d932443d96c5b86166b71c",
    "signer": "0x5b223142a62b282D03fE47a56B10D12AeDEFcDe4",
    "userId": "155681527"
  }
}