{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897491,-0.441033,0.000000,0.000000,0.285689,-0.581371,0.761833,0.000000,-0.335044,0.681806,0.650297,0.000000,-2139986.338468,4354822.003683,4125760.095193,1],    "boundingVolume": {    "region": [2.027469,0.707861,2.027621,0.708089,0.000000,7.854598]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/1_1796238.b3dm"}}}