Transaction not yet indexed

EXxXC9VtWRhkhNfRPGxggAMbKMANfbhqFBvrMiHHULBgNpZrR7XjBoCNUGwbfp4CHBkKRTeKmeHhC7mmzSdo6P9

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