{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952248,-0.305325,0.000000,0.000000,0.113611,-0.354330,0.928193,0.000000,-0.283136,0.883044,0.374256,0.000000,-1806727.487551,5634817.439455,2372187.766668,1],    "boundingVolume": {    "region": [1.881045,0.383580,1.881108,0.383608,0.000000,7.663888]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8.b3dm"}}}