Allow customize the JSON serialization
Allow customize the JSON serialization

Mainly useful if we want `.allowFragments`
cfraz89/RxSwift,ReactiveX/RxSwift,kzaher/RxSwift,kzaher/RxSwift,cfraz89/RxSwift,kzaher/RxSwift,kzaher/RxSwift,shiratsu/RxSwift,KyoheiG3/RxSwift,cfraz89/RxSwift,KyoheiG3/RxSwift,ReactiveX/RxSwift,ReactiveX/RxSwift,shiratsu/RxSwift,cfraz89/RxSwift,KyoheiG3/RxSwift,shiratsu/RxSwift