{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948644,-0.316346,0.000000,0.000000,0.176490,-0.529250,0.829907,0.000000,-0.261987,0.785634,0.560484,0.000000,-1672747.790535,5016159.452168,3554649.579452,1],    "boundingVolume": {    "region": [1.892624,0.594858,1.892719,0.595081,0.000000,8.816774]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1182230.b3dm"}}}