{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950152,-0.311786,0.000000,0.000000,0.173836,-0.529756,0.830144,0.000000,-0.258285,0.787111,0.560130,0.000000,-1649112.592041,5025580.622231,3552400.490929,1],    "boundingVolume": {    "region": [1.887787,0.594477,1.887951,0.594608,0.000000,8.814051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1458358.b3dm"}}}