Transaction not yet indexed

MDX2XnsP78Xip8jzNJcAsX4Z5UcmGH2AQ2NHw8yiuqWikJ7ZdcBPycUwiajb7C1P4nAez7reGH5pVQ8UyvARDVM

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