Transaction not yet indexed

u51VBjURTF3bDpQSANHKPStXg1pMXXr9ENJEE2BEuMYuAiup2Vzhi5RwPM5q2NXqF3Zq5Uomvf2QJUwpr5ME2wZ

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