{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950320,-0.311276,0.000000,0.000000,0.174028,-0.531304,0.829114,0.000000,-0.257540,0.786263,0.561662,0.000000,-1644359.955903,5020196.416997,3562137.500969,1],    "boundingVolume": {    "region": [1.887256,0.596300,1.887408,0.596486,0.000000,8.809496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397637.b3dm"}}}