Transaction not yet indexed

ai21zZWJERKzxQH7DBgf912sLMc1Kc7MPEnx6hUt6M97K1dGFoL81D2GiQFrNwnkvucGyyXMeZcosYWuVtKnbrU

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