{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950318,-0.311280,0.000000,0.000000,0.174033,-0.531312,0.829108,0.000000,-0.257541,0.786256,0.561671,0.000000,-1644369.420536,5020153.016454,3562193.916264,1],    "boundingVolume": {    "region": [1.887260,0.596311,1.887412,0.596496,0.000000,8.809496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397714.b3dm"}}}