{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943255,-0.332069,0.000000,0.000000,0.186299,-0.529191,0.827798,0.000000,-0.274303,0.779168,0.563609,0.000000,-1751402.112912,4974931.646994,3574516.145016,1],    "boundingVolume": {    "region": [1.909220,0.598700,1.909365,0.598798,0.000000,8.765410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_657741.b3dm"}}}