Transaction not yet indexed

AMqC8Enug9sNofS6ZmnqPBY8Jd9jbKUpuuuK8j3dgS3PqSYA2qVGdyVrprtyfurx3SBxoYqSnULGo3raZ43Me1r

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