{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897945,-0.440108,0.000000,0.000000,0.282481,-0.576342,0.766834,0.000000,-0.336553,0.686665,0.644379,0.000000,-2149572.693589,4385740.273193,4088106.708204,1],    "boundingVolume": {    "region": [2.026452,0.700176,2.026578,0.700245,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883732.b3dm"}}}