parsing body body from \“\” failed, because invalid character 'G' looking for beginning of object key string

问题

$ curl http://localhost:8080/v1/graphql -X POST -H "Content-Type: application/json" -d "@data.json"

{"code":400,"message":"parsing body body from \"\" failed, because invalid character 'G' looking for beginning of object key string"}

来源：https://stackoverflow.com/questions/62098140/parsing-body-body-from-failed-because-invalid-character-g-looking-for-be