{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949096,-0.314986,0.000000,0.000000,0.115983,-0.349474,0.929740,0.000000,-0.292587,0.881605,0.370360,0.000000,-1867015.732209,5625578.200960,2347469.910273,1],    "boundingVolume": {    "region": [1.891184,0.379339,1.891292,0.379454,0.000000,73.784420]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_6940.b3dm"}}}