Transaction not yet indexed

YaM18tUYghcsddbZbft5xBZoiFcTm8wqhT4166tBM5oUv9J7yMMmPDypsxuuAMqaYTCTaid7Vx9sEafi4LUocK9

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