{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949316,-0.314324,0.000000,0.000000,0.175575,-0.530269,0.829451,0.000000,-0.260168,0.785755,0.561162,0.000000,-1661136.505604,5016941.684455,3558959.046193,1],    "boundingVolume": {    "region": [1.890472,0.595735,1.890609,0.595842,0.000000,8.800059]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/7_1363552.b3dm"}}}