curl --request GET \
  --url https://mainnet.gomaestro-api.org/v1/datums/{datum_hash} \
  --header 'api-key: <api-key>'

{
  "data": {
    "json": {
      "constructor": 0,
      "fields": [
        {
          "bytes": "76140b3e82b58a9439ce10473d0d7c40ec9165fb03662c499a9162f95b9ec34641adbb83203c5276eaa35fc95c3776e00779ca412777cdc5201b53184d365306"
        },
        {
          "constructor": 0,
          "fields": [
            {
              "constructor": 0,
              "fields": [
                {
                  "int": 100000
                },
                {
                  "int": 36069
                }
              ]
            },
            {
              "constructor": 0,
              "fields": [
                {
                  "constructor": 0,
                  "fields": [
                    {
                      "constructor": 1,
                      "fields": [
                        {
                          "int": 1676063825000
                        }
                      ]
                    },
                    {
                      "constructor": 1,
                      "fields": []
                    }
                  ]
                },
                {
                  "constructor": 0,
                  "fields": [
                    {
                      "constructor": 1,
                      "fields": [
                        {
                          "int": 1676065625000
                        }
                      ]
                    },
                    {
                      "constructor": 1,
                      "fields": []
                    }
                  ]
                }
              ]
            },
            {
              "bytes": "555344"
            }
          ]
        },
        {
          "bytes": "0c64d6d0371d11185aae649cf3a169040e94214137137b531ebb16c2"
        }
      ]
    },
    "bytes": "d8799f584076140b3e82b58a9439ce10473d0d7c40ec9165fb03662c499a9162f95b9ec34641adbb83203c5276eaa35fc95c3776e00779ca412777cdc5201b53184d365306d8799fd8799f1a000186a0198ce5ffd8799fd8799fd87a9f1b000001863d305c68ffd87a80ffd8799fd87a9f1b000001863d4bd3a8ffd87a80ffff43555344ff581c0c64d6d0371d11185aae649cf3a169040e94214137137b531ebb16c2ff"
  },
  "last_updated": {
    "timestamp": "2022-10-10 20:25:28",
    "block_hash": "391e8974a46a05addd54593722380fdea42f29d7de4acc5729a6ec0663955293",
    "block_slot": 32284048
  }
}