Transaction not yet indexed

mpE2sUfJSoiQ154EQWh6GfWAJLcqVR8q9FDRCFGn6xbPP9Ubo2BasLRjPgs2UzMcpb9DgfPiZGpPHYV3NvR8HkJ

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