{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897893,-0.440215,0.000000,0.000000,0.282586,-0.576382,0.766765,0.000000,-0.336604,0.686562,0.644461,0.000000,-2149900.355003,4385086.634982,4088632.006696,1],    "boundingVolume": {    "region": [2.026571,0.700284,2.026697,0.700353,0.000000,9.943482]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_851930.b3dm"}}}