Transaction not yet indexed

668v6GPnrnLA4eQj8SBr4KowREsRE5eFQToh2ycZR76J4NJ3M2n8mHqehe8Zdh7PXRRjsdutWYjVU9K4xTw59H3F

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