{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857976,-0.513689,0.000000,0.000000,0.262826,-0.438979,0.859197,0.000000,-0.440581,0.735869,0.514183,0.000000,-2812578.650405,4697635.259372,3260461.766106,1],    "boundingVolume": {    "region": [2.110194,0.539992,2.110358,0.540117,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_349209.b3dm"}}}