Transaction not yet indexed

Vu21PdVRZQXZoiPdH8fFfeEQdnadAT8aZeC7WDmCkYvypkEYbtHMnoeUYqdFvbhQ1sXqyZLPudkaiTjHovSoTP3

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