Transaction not yet indexed

muem9thiPJcdWH5ZTY7tSNkA2RGnGZfzvfS9f6EZoJaKAgyphYvsGHcohsuCmiMmgKenPh4A6ZHDXN8TRRBxiPP

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