{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898805,-0.438349,0.000000,0.000000,0.283069,-0.580413,0.763539,0.000000,-0.333757,0.684346,0.648288,0.000000,-2131749.564567,4371004.607847,4112977.611723,1],    "boundingVolume": {    "region": [2.024475,0.705274,2.024640,0.705393,0.000000,8.663025]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843434.b3dm"}}}