Transaction not yet indexed

MEK3h2WUMS2FhvjsDAX2Vym9gptdCEt1gcSws1hCSs4Cb8RssP1qT2eJRa9doe3vC4ercjJ8BuM4mq5BmYAMHjz

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