{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950253,-0.311478,0.000000,0.000000,0.173882,-0.530478,0.829673,0.000000,-0.257882,0.786744,0.560831,0.000000,-1646542.607992,5023250.295902,3556855.721267,1],    "boundingVolume": {    "region": [1.887495,0.595330,1.887594,0.595447,0.000000,8.805755]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1454583.b3dm"}}}