Transaction not yet indexed

WN6efgXg9q7V8LKvZDzVB8UDN9jSNZ1LmcvKimQ3yiQ4uAJmzHyQ2MNeYTHUrr8Q3toBLDnZ1pJAiSLuZrxHGLM

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