Transaction not yet indexed

21U7WSuUWUnk6uoCobGPPMCeUP31NxLUFD5p1EPwzdHCLEFmY33E3xhDe2EtCrhx983XQjy1FcMVq9EnCHttPdJZ

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