Transaction not yet indexed

66u37Mff9nW9q31fiFqjuk9V3arYz97Z5fzt3Cs4J13aTGXFc85aBsdUXUdipLpRsYR42aWpCiqznYtWs1SLd4d4

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