{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950294,-0.311355,0.000000,0.000000,0.174002,-0.531074,0.829267,0.000000,-0.257653,0.786388,0.561434,0.000000,-1645084.271514,5020991.811763,3560691.461992,1],    "boundingVolume": {    "region": [1.887339,0.596025,1.887491,0.596211,0.000000,8.556427]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1431348.b3dm"}}}