{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892612,-0.450827,0.000000,0.000000,0.290722,-0.575614,0.764296,0.000000,-0.343600,0.680309,0.647393,0.000000,-2194610.551141,4345205.669233,4107287.399681,1],    "boundingVolume": {    "region": [2.038435,0.704125,2.038540,0.704194,0.000000,15.551000]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1966723.b3dm"}}}