Transaction not yet indexed

21cM3mMKh2kyCLxf4jYAWDcFq2CddpfGCntPCSisyXvo7CcWsq54BnNsECvxjBhhfZZbDvP4LGgaaiQXGubh9WGM

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.