{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943351,-0.331796,0.000000,0.000000,0.186130,-0.529199,0.827831,0.000000,-0.274088,0.779279,0.563561,0.000000,-1750031.609620,4975637.769496,3574206.623688,1],    "boundingVolume": {    "region": [1.908930,0.598641,1.909075,0.598739,0.000000,8.201374]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_544982.b3dm"}}}