Transaction not yet indexed

Sm678pCbSAr1FYVaedfapMyePtHumkpkeh19Sv7p5Vzh2YGXdGikxc1SsSwSeWko7Sm3bh8wYHLUoKYiow9MT5M

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