Transaction not yet indexed

AMbacLrWE1ttgAYp9ajLq7iuZTUGJQXw4LyhcXShN7xCWAtRwp9XfXuPJGCBdik4q7E1YhZPbbvvwTjr2hbdQ6p

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