{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897711,-0.440585,0.000000,0.000000,0.282914,-0.576449,0.766594,0.000000,-0.336812,0.686269,0.644665,0.000000,-2151227.863468,4383219.302382,4089927.121559,1],    "boundingVolume": {    "region": [2.026983,0.700550,2.027110,0.700619,0.000000,16.562030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_857961.b3dm"}}}