{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896492,-0.443060,0.000000,0.000000,0.283007,-0.572639,0.769410,0.000000,-0.339958,0.687875,0.641293,0.000000,-2171289.732156,4393412.571233,4068476.733271,1],    "boundingVolume": {    "region": [2.029714,0.696126,2.029897,0.696238,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_510803.b3dm"}}}