Transaction not yet indexed

UMCXEnm3nqdKJtsedYsdGXnaAgdNBjMCzWJpNjmX9kSQhyB5HgRWXvxAkU2wKm3S5ouuhbbxCy3LSD7G1ZeV1DZ

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