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": ""}
   vulpia octoflora var. hirtella O ca    fs POALES  (PIPER) HENR. wM    IRA L. WIGGINS%/s     MEXICO E     baja california %_  po0aceae  S  HIRTELLA   sq    !V^g 5282 CONTACT UM HERBARIUM j  1931-04-11 P Y]   1286749  e   
{"catalogNumber": "1286749", "order": "Poales", "family": "Poaceae", "scientificName": "Vulpia octoflora var. hirtella", "scientificNameAuthorship": "(Piper) Henr.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "hirtella", "identifiedBy": "", "recordedBy": "Ira L. Wiggins", "recordNumber": "5282", "verbatimEventDate": "1931-04-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Baja California", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}