Transaction not yet indexed

66Mk4fpaWrTn9T4dYAoPux8iahCoK4Dbc1RttfUcVFFRmwRWBVAVRSsq7YQKRqeBVKoDaRPpJQSu8cCUSL9Ypggi

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