Query:
/api/ec_localdata/?_offset=0
{'conductor': 277350, 'conductor_valuation': 2, 'discriminant_valuation': 2, 'id': 6870368, 'j_denominator_valuation': 0, 'kodaira_symbol': 2, 'lmfdb_label': '277350.f1', 'prime': 43, 'reduction_type': 0, 'root_number': -1, 'tamagawa_number': 1}