{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949292,-0.314396,0.000000,0.000000,0.175634,-0.530311,0.829412,0.000000,-0.260215,0.785697,0.561220,0.000000,-1661440.190165,5016577.196580,3559328.566730,1],    "boundingVolume": {    "region": [1.890548,0.595806,1.890685,0.595912,0.000000,8.783868]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1362208.b3dm"}}}