{ "flow_accumulation": "string", "image_format": "example", "image_bbox": [ 0.0 ], "max_accumulation": 35.5, "max_accumulation_x": 35.5, "max_accumulation_y": 35.5, "max_accumulation_pt": 35.5, "raster_srid": 0, "nhdplus_version": "nhdplus_h", "return_code": "example", "status_message": "active" }