{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898081,-0.439829,0.000000,0.000000,0.283964,-0.579822,0.763656,0.000000,-0.334936,0.683901,0.648150,0.000000,-2139275.555593,4368159.271693,4112098.699856,1],    "boundingVolume": {    "region": [2.026139,0.705041,2.026271,0.705263,0.000000,6.996652]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1844565.b3dm"}}}