Transaction not yet indexed

UZ21wNwffabYgrPz2Pm7pBmCAmNeBUTaFes44faWmzFQhEYNSMMB28Qn7gmPfkrjGDZ3JcoBPFWMLqU3QuipuaM

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