{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943123,-0.332444,0.000000,0.000000,0.186191,-0.528212,0.828447,0.000000,-0.274830,0.779676,0.562650,0.000000,-1754761.795188,4978156.080430,3568415.153213,1],    "boundingVolume": {    "region": [1.909627,0.597548,1.909752,0.597627,0.000000,8.732588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1286483.b3dm"}}}