Transaction not yet indexed

666MMMzsiGDoyL4hSAdGiTL6kxFNoYYStm4LJtobxuDwmkf719A9mVML4oRYjAdZwvPnfsHCqA2ifag6LTm8cpmK

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