Transaction not yet indexed

5S19WbjKmrkiHXSyQVvR87KpvfjiaGwMpFbuDNA1BXG4wFs8Lwga2HgBJJZaVFpmb9rjevaNWHGNzV25PJSV7Mf8

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