Transaction not yet indexed

yMKkfC2SaB2qzdt4eQ5xVjp1rsJSmKmD1bNxSTuvkQ5MWkrqNp2ffS1hZEbHigEeTZ5BsrnCDpspAGTLmFpqPn9

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