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": ""}
 1422540  N4   % ZZ United States     Custr  WKHT   q 1902-05-26   U9 XB miles city  ]H SECUNDA          wR RP p0a secunda  vm(z; POACEAE   C8z J. W. Blankinship  Poa o  
{"catalogNumber": "1422540", "order": "", "family": "Poaceae", "scientificName": "Poa secunda", "scientificNameAuthorship": "", "genus": "Poa", "subgenus": "", "specificEpithet": "secunda", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. W. Blankinship", "recordNumber": "", "verbatimEventDate": "1902-05-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Custer", "municipality": "", "locality": "Miles City", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}