{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943174,-0.332298,0.000000,0.000000,0.186073,-0.528137,0.828522,0.000000,-0.274734,0.779789,0.562540,0.000000,-1754151.460416,4978875.341596,3567716.386967,1],    "boundingVolume": {    "region": [1.909473,0.597415,1.909598,0.597494,0.000000,8.563592]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1286416.b3dm"}}}