Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
fabales U_    tultitlã¡n wM=?1   0?G HUMILIS  mexico L        CALLIANDRA G >   R. CRUZ CISNEROS [)|.h   1557979 q[  calliandra humilis !N1]n  2 KM AL WSW DE LECHERIA Q$B   MEXICO GN/       
{"catalogNumber": "1557979", "order": "Fabales", "family": "", "scientificName": "Calliandra humilis", "scientificNameAuthorship": "", "genus": "Calliandra", "subgenus": "", "specificEpithet": "humilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Cruz Cisneros", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Mexico", "county": "Tultitl\u00c3\u00a1n", "municipality": "", "locality": "2 km al WSW de Lecheria", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}