Transaction not yet indexed

21mk4dLuArp2VA1st2odxsmZ7JmEChrrrf8nCTsZTjyseqCCjaAjb6REzcTVJ6xgpbFVFG9UJYuzGpqYUG4FxVsf

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