{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943134,-0.332414,0.000000,0.000000,0.186058,-0.527890,0.828682,0.000000,-0.274883,0.779908,0.562302,0.000000,-1755102.940052,4979631.030872,3566203.643721,1],    "boundingVolume": {    "region": [1.909636,0.597152,1.909680,0.597181,0.000000,8.640943]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2.b3dm"}}}