2020 Lexus GX Lease Deal

I am here in Maryland and a dealer proposed this deal:

2020 Lexus GX Base Model
MSRP- $55,205
MSD- $5600
Lease terms- 12k miles/36 months
Monthly payments- $559 All In; only first month payment + MSD

Please share your feedback and if I can get them any lower.

Selling price? RV/Mf?incentives? Fees?

That info i have to get; he gave me a text saying that is what they approved; i will get those details tomorrow and post them