Transaction not yet indexed

421TmZbrHHeNTMq5uqHPazs6cDsB7vE66uWS4D6GtCLdUBphvPPcppTa2Xpb6qqmFNf1UeDNozW5zNkGrQm1YabT

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