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": ""}
  METRO MANILA W _   XOd LUZON  tfZ]. POACEAE  ? 1940-01-03    B`p Eragrostis  ERAGROSTIS VISCOSA I+4;   POALES Hy?       nw  iscosa Philippines mo   SINGALONG SUB-DIVISION GU@   czMh 1706956  fOA GREGORIO T. VELASQUEZ    (retz.) trin. gm4a$  
{"catalogNumber": "1706956", "order": "Poales", "family": "Poaceae", "scientificName": "Eragrostis viscosa", "scientificNameAuthorship": "(Retz.) Trin.", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "viscosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Gregorio T. Velasquez", "recordNumber": "", "verbatimEventDate": "1940-01-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Philippines", "stateProvince": "Luzon", "county": "Metro Manila", "municipality": "", "locality": "Singalong Sub-Division", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}