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": ""}
     x  ira l. wiggins    $S melilotus  U&[u  Mexico    +/ Rancho Santa LucÃ­a; Santo Domingo; Hamilton's Ranch  1178027 r$FbR      JxM F 1930-03-18  Fabaceae q/$   30.7501 3     fabales  ?<q 4482   
{"catalogNumber": "1178027", "order": "Fabales", "family": "Fabaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Melilotus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ira L. Wiggins", "recordNumber": "4482", "verbatimEventDate": "1930-03-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Rancho Santa Luc\u00c3\u00ada; Santo Domingo; Hamilton's Ranch", "decimalLatitude": "30.7501", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}