{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896438,-0.443169,0.000000,0.000000,0.283648,-0.573760,0.768338,0.000000,-0.339564,0.686867,0.642581,0.000000,-2168786.091479,4387000.069475,4076668.206617,1],    "boundingVolume": {    "region": [2.029843,0.697787,2.030011,0.697936,0.000000,74.007353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/3_520040.b3dm"}}}