{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943162,-0.332332,0.000000,0.000000,0.186162,-0.528329,0.828379,0.000000,-0.274715,0.779644,0.562750,0.000000,-1754029.030160,4977954.747595,3569051.930979,1],    "boundingVolume": {    "region": [1.909509,0.597669,1.909634,0.597748,0.000000,8.288669]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1255093.b3dm"}}}