Transaction not yet indexed

CUu6CCFPjMY4u2ZFZDd9FdKw3xVJd9iPY2e5hATC2pRt2dkKwGL7U4H2mCzsmVCQPZgStxavJp6RURMUrYrATX2

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