Transaction not yet indexed

MECjzX8o3jYhZ5zULSbjkisGFz9iKGSdTToSMrzXYUeW9ukRP51oyoWLP8f5ZvZ8DPFoicup6qB8f7HX5AMV339

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