test-fixtures/cyrillux-usemarcon-replacement/f07/record.json
{
"leader": "12345cgm a22123454i 4500",
"fields": [
{ "tag": "007", "value": "v12345678"},
{ "tag": "008", "value": "012345s7890 fi |||| fin |"},
{ "tag": "040", "ind1": " ", "ind2": " ", "subfields": [{ "code": "b", "value": "mul" }, { "code": "e", "value": "rda" }]}
]
}