Transaction not yet indexed

321SrtjYfUGmc8nSPKS2KDePXAv9CTr7fSx4TQNppEsNKqHx1kcFCXtQVrLS2ppYeYL67dLjzCZZ2h6rP6ttcPU8

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