Transaction not yet indexed

MKCCWJ6NFWgyK1AQ9zjuEV5xboAfp7UDJCP2nipUh9f8GxW3rQDLFdjHj6LAvikcpbzEfLM7ZrSMCbS9TzZ2QoY

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