{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944301,-0.329083,0.000000,0.000000,0.183940,-0.527815,0.829203,0.000000,-0.272302,0.781368,0.561530,0.000000,-1738614.837916,4988941.352652,3561297.273291,1],    "boundingVolume": {    "region": [1.906071,0.596196,1.906186,0.596271,0.000000,8.760794]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_730063.b3dm"}}}