Transaction not yet indexed

mecMv8wikMEbhipxQDayCUAALYmWeu84k43hD7LZdddrQ3UHqxTcGCvsjvnKf7YXbyJ6qnBw3JMg8UUEiFfDP6A

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