Transaction not yet indexed

5S16cxffoqU7HyS5WWyFFLx6LZQz4bvco536avB4rnvyKdoG2L2BjhaLMSaiotgrUMCF3umhSaDPGFTD4SGPKC1n

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