{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899093,-0.437757,0.000000,0.000000,0.282736,-0.580702,0.763443,0.000000,-0.333264,0.684478,0.648402,0.000000,-2128599.158346,4371853.548905,4113702.022317,1],    "boundingVolume": {    "region": [2.023816,0.705423,2.023981,0.705543,0.000000,13.689351]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1827785.b3dm"}}}