{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950819,-0.309747,0.000000,0.000000,0.173209,-0.531693,0.829036,0.000000,-0.256250,0.786602,0.561777,0.000000,-1636126.005092,5022363.905133,3562868.605300,1],    "boundingVolume": {    "region": [1.885640,0.596447,1.885805,0.596617,0.000000,8.741088]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1386320.b3dm"}}}