{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950097,-0.311955,0.000000,0.000000,0.174391,-0.531129,0.829150,0.000000,-0.258112,0.786114,0.561608,0.000000,-1648016.998271,5019242.426763,3561794.102354,1],    "boundingVolume": {    "region": [1.887977,0.596223,1.888115,0.596432,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1397058.b3dm"}}}