{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892658,-0.450735,0.000000,0.000000,0.290691,-0.575698,0.764245,0.000000,-0.343507,0.680299,0.647454,0.000000,-2194017.462329,4345138.843846,4107672.340058,1],    "boundingVolume": {    "region": [2.038333,0.704204,2.038437,0.704273,0.000000,34.600370]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_1967581.b3dm"}}}