{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950641,-0.310292,0.000000,0.000000,0.173451,-0.531402,0.829173,0.000000,-0.256744,0.786585,0.561575,0.000000,-1639279.220234,5022252.834835,3561584.194027,1],    "boundingVolume": {    "region": [1.886248,0.596238,1.886346,0.596337,0.000000,8.786727]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/3_1427701.b3dm"}}}