Transaction not yet indexed

MemoJ3Q6sqe7KALj2PPRYnhbM4pjRNSyTv6yCYjSZWi97z9iRTzrsiagYpsa9kxcQBeWFSVDZWaay4bZf2jftYa

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