Transaction not yet indexed

21h66vfvUeZiaRmUgvr4WFEtgHTVoqeymGi1sRRsPHCFao5NtZAw9YYzgeMw8GSzBV6FsUYkiF8njjf3rPXDMUMU

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