Transaction not yet indexed

UMcERZ2WAc7bP19ofX9hU4rDADynChMYJS3YcmXGA6ZLzq1u2f3EDdLYZwXQzzpb7bZBJxUpnDCN1cqBrXK2fiV

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