Transaction not yet indexed

yNBQSm5mfPyghdQBm5Zh9kNqmg6TWRUSqBYttvLHh2mwRJZyfZH8pikpunHp1WqdJQ8RidJDoxyAFbnU1Bu8qPm

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