{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950297,-0.311346,0.000000,0.000000,0.173726,-0.530250,0.829852,0.000000,-0.257828,0.786950,0.560565,0.000000,-1646197.806970,5024565.272385,3555168.937059,1],    "boundingVolume": {    "region": [1.887355,0.595010,1.887455,0.595127,0.000000,7.538147]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1346181.b3dm"}}}