curl --request GET \
  --url https://drb.coinbase.com/api/v2/private/get_order_state_by_label \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 4316,
  "jsonrpc": "2.0",
  "method": "private/get_order_state_by_label",
  "params": {
    "currency": "ETH",
    "label": "fooBar"
  }
}
'

{
  "id": 4316,
  "jsonrpc": "2.0",
  "result": [
    {
      "amount": 37,
      "api": false,
      "average_price": 118.94,
      "creation_timestamp": 1550219749176,
      "direction": "sell",
      "filled_amount": 37,
      "instrument_name": "ETH-PERPETUAL",
      "is_liquidation": false,
      "is_rebalance": false,
      "label": "fooBar",
      "last_update_timestamp": 1550219810944,
      "max_show": 37,
      "order_id": "ETH-331562",
      "order_state": "filled",
      "order_type": "limit",
      "post_only": false,
      "price": 118.94,
      "reduce_only": false,
      "time_in_force": "good_til_cancelled"
    }
  ]
}