{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943291,-0.331968,0.000000,0.000000,0.186148,-0.528942,0.827991,0.000000,-0.274284,0.779381,0.563324,0.000000,-1751279.620727,4976285.201187,3572703.809249,1],    "boundingVolume": {    "region": [1.909113,0.598355,1.909257,0.598452,0.000000,8.123116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_545525.b3dm"}}}