{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950349,-0.311187,0.000000,0.000000,0.174039,-0.531507,0.828981,0.000000,-0.257424,0.786160,0.561858,0.000000,-1643624.363172,5019545.699333,3563385.371376,1],    "boundingVolume": {    "region": [1.887162,0.596538,1.887314,0.596723,0.000000,8.816588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1399454.b3dm"}}}