curl --request GET \
  --url https://rpc.cosmos.directory/cosmoshub/check_tx

{
  "error": "",
  "result": {
    "code": "0",
    "data": "",
    "log": "",
    "info": "",
    "gas_wanted": "1",
    "gas_used": "0",
    "events": [
      {
        "type": "app",
        "attributes": [
          {
            "key": "action",
            "value": "send",
            "index": false
          }
        ]
      }
    ],
    "codespace": "bank"
  },
  "id": 0,
  "jsonrpc": "2.0"
}