{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897676,-0.440657,0.000000,0.000000,0.285485,-0.581571,0.761757,0.000000,-0.334725,0.681878,0.650386,0.000000,-2137950.522398,4355282.991636,4126325.093820,1],    "boundingVolume": {    "region": [2.027051,0.707978,2.027203,0.708206,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1797082.b3dm"}}}