Fix parsing of poorly escaped JSON
Fix parsing of poorly escaped JSON

Some new sequences have characters that psql's json escaping does odd
things to. This seems to correct the issue.

RNAcentral/rnacentral-import-pipeline,RNAcentral/rnacentral-import-pipeline,RNAcentral/rnacentral-import-pipeline,RNAcentral/rnacentral-import-pipeline