Transaction not yet indexed

668pR35tsjYXHSnyty9ucgsMNfxRNf2qjHDtwAaGAGPf66VwGG2ofxiLBdx6vkovU43t9nXXmmY4J6ZCwyHyajBq

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