Transaction not yet indexed

21Ks2FbeiSjGxpZ2xKEcSzriLPZ7b484w2SEbvvGfCpJcUC9eL7eKVSD64jyHhzDeEwrhFCi3Ac6wu6AE6zyfZHT

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