{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949225,-0.314597,0.000000,0.000000,0.175510,-0.529562,0.829916,0.000000,-0.260541,0.786125,0.560470,0.000000,-1663516.603642,5019290.054752,3554563.046941,1],    "boundingVolume": {    "region": [1.890781,0.594858,1.890875,0.595048,0.000000,8.776129]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/28_1372102.b3dm"}}}