Transaction not yet indexed

u8ef7QxpfLf8n8vYhg9W3nvUwPKbYAqardcFNs9oyrK6viSCm79qHWhPjWQhMkfFZPZmuMcS2CSfTSFfpiV6Us4

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