Transaction not yet indexed

491tzBSKjms4JMY71Dd7b8xQiyTFfGhFqbRHBwCNAZ7psUyH4dMqcRg2sULfuFRTaH5NSnQzrB9WYMxCVUj2bype

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