{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896611,-0.442820,0.000000,0.000000,0.282894,-0.572797,0.769334,0.000000,-0.339740,0.687897,0.641384,0.000000,-2169898.413556,4393557.169295,4069058.908155,1],    "boundingVolume": {    "region": [2.029446,0.696245,2.029629,0.696358,0.000000,61.717722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_491688.b3dm"}}}