{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943151,-0.332365,0.000000,0.000000,0.186032,-0.527903,0.828680,0.000000,-0.274843,0.779920,0.562305,0.000000,-1754843.440187,4979708.227892,3566223.419417,1],    "boundingVolume": {    "region": [1.909544,0.597130,1.909669,0.597210,0.000000,7.628049]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1256371.b3dm"}}}