{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897570,-0.440873,0.000000,0.000000,0.285914,-0.582090,0.761200,0.000000,-0.334642,0.681295,0.651039,0.000000,-2137424.890999,4351569.329330,4130485.305442,1],    "boundingVolume": {    "region": [2.027291,0.708839,2.027443,0.709067,0.000000,6.679095]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1790885.b3dm"}}}