{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949478,-0.313834,0.000000,0.000000,0.175426,-0.530737,0.829182,0.000000,-0.259678,0.785632,0.561560,0.000000,-1658010.415395,5016166.813559,3561491.022566,1],    "boundingVolume": {    "region": [1.889975,0.596229,1.890074,0.596311,0.000000,8.264707]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1358423.b3dm"}}}