{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949654,-0.313300,0.000000,0.000000,0.175035,-0.530554,0.829383,0.000000,-0.259298,0.785970,0.561263,0.000000,-1655587.794462,5018316.079640,3559602.472035,1],    "boundingVolume": {    "region": [1.889412,0.595870,1.889511,0.595952,0.000000,10.817835]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1351382.b3dm"}}}