Transaction not yet indexed

5h6tmKoWSysX8vhJj3RWYqZPmt6CQbiy2mxwFkkWfWneXFLB3ZFfHu7YkAm6DhDn3B1xmpaUTqZrmSt6PdM7wvrk

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