Transaction not yet indexed

21C6oNZQHuVRkfUD3fuoa5twrFASGWXyKeLZh4gpRanRHjPzLWavY95ixR6Q4KtyxS23YFmsx9PJ8JTrjcbUG62C

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