Transaction not yet indexed

553UEbURTzTyvZngFvuH6PxMtdYqFMHeRkJcv3XSbbyGuuSqu8rYk8CZSZPSQMkHsDA6mNmMMRGepDt3KUSndCfF

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