Transaction not yet indexed

WQ21zpEcAea6LtZQpH4HumcdLKJ6weJk1Mx5DyTngqUGTtLBL68Lc95bJoPiJa2cckTFqhkbGXU4NGjsz1iH9MP

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