Transaction not yet indexed

21TdtmEbpJbJWHXZZPHWZMMTi93UpHPpme7VGJAcSThGiAJD7M1MdPNppcZcuGrqMzz25gcKbsUD4mUJ2fqU6bpg

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