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": ""}
 MEXICO XW4   MACHAERIUM 5eP       MT (DONN.SM.) RUDD  EIZI MATUDA 6zkT  71 [L    machaerium salvadorense u+ElN  salvadorense Iv   Fa8aceae ^m9   9G5 A V.E. RUDD Fabales DJ`p    >8CV 1936-12-29  3 1171415   kB3M contact um herbarium   
{"catalogNumber": "1171415", "order": "Fabales", "family": "Fabaceae", "scientificName": "Machaerium salvadorense", "scientificNameAuthorship": "(Donn.Sm.) Rudd", "genus": "Machaerium", "subgenus": "", "specificEpithet": "salvadorense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "V.E. Rudd", "recordedBy": "Eizi Matuda", "recordNumber": "71", "verbatimEventDate": "1936-12-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}