Transaction not yet indexed

3U21zz4C7sFfpqCgkhEustmMa8WKBSccSeZfFR4YBnVH7h8mLhpwgqFrWVk9kzwjmDdpkHnpXzSeF2q6jS9mGDuu

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