{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858261,-0.513213,0.000000,0.000000,0.262901,-0.439657,0.858828,0.000000,-0.439981,0.735794,0.514804,0.000000,-2808753.510104,4697165.673305,3264406.761042,1],    "boundingVolume": {    "region": [2.109638,0.540716,2.109802,0.540842,0.000000,73.131566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/10_438145.b3dm"}}}