{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949586,-0.313506,0.000000,0.000000,0.175136,-0.530473,0.829413,0.000000,-0.259479,0.785942,0.561218,0.000000,-1656739.635859,5018139.435806,3559317.495479,1],    "boundingVolume": {    "region": [1.889630,0.595816,1.889729,0.595898,0.000000,6.730910]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1362228.b3dm"}}}