Transaction not yet indexed

t66FmJ9SbQdsHdJkifYmeUPDuWqMr2oDS2QLknbdq1MZR1XjAsVUZ5Lhm14w1fRGeMCeHC2pxRE71ZHty39DAp6

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