{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852868,-0.522126,0.000000,0.000000,0.269421,-0.440087,0.856583,0.000000,-0.446441,0.729241,0.518553,0.000000,-2850030.459819,4655391.837547,3288223.619976,1],    "boundingVolume": {    "region": [2.120092,0.545116,2.120184,0.545200,0.000000,99.406166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_7997.b3dm"}}}