Transaction not yet indexed

4tS15FhsdgySrAoF7YYgFXqi35836xnHBiZ871ZPf1yeW8QfQ3mtDvskMqu6Pdae9eTJuBZYGicCPzj8iDV9ZWx2

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