{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950345,-0.311200,0.000000,0.000000,0.174032,-0.531462,0.829012,0.000000,-0.257444,0.786186,0.561813,0.000000,-1643753.165557,5019709.417102,3563097.264443,1],    "boundingVolume": {    "region": [1.887176,0.596483,1.887327,0.596668,0.000000,8.813921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1398898.b3dm"}}}