Transaction not yet indexed

668MMKQghgnbdVAKrtVMARPuxZ2fELMX38BQdSLzjqiCtkRL9PoHtnB8Eg6h6CH8f4FBt2u2Tzho19zxNP5F8REz

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