Transaction not yet indexed

ex3SnM1yr2JoCPENAewuABFSPH8gtvPPvvJgYN6ivdSNmFMF5p2sUGoLdz9gn236hwmtm8GaCNg6h9GtP557GAw

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