Transaction not yet indexed

u6ef66FvSFiQ444w5FQNdQeF2T14XFdCrDMvEnrhaZE7Gv5S9jKYFrdJ5HJvMF7g3JLtNzKB6gyJAdkHyf1wReS

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