Transaction not yet indexed

5U6qSaCmujyAm2oyggzJjAMxwqqpt4BPkB9CCu5fvY9kmFSKLy1cpE2EuiToXe34tcceWm5kVUsBvgumqWXJ2U13

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