Transaction not yet indexed

668fTFDFAbjHSc2ySVbUoVW58MUwnEwJ2gKBbYjWPP2vJTiYUfdad6oZBDR6P17GMHGT3dk9kc78B9eSmFNeVckK

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