{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x813f461483b3da1f1beac819ca0f6767e736a750ff796d3f123b46f1ed9f0312",
    "signature": "0xb7667088546d480d8ed9c2ce2bb42ac6dfcb2ce823ec9c86c62025ec1e574b47763db8be39df9f81388a7c792b03f35f7b7d9b5c0a551436404401611fda47ab1c",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}