{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857954,-0.513727,0.000000,0.000000,0.262979,-0.439191,0.859042,0.000000,-0.440533,0.735716,0.514444,0.000000,-2812273.655216,4696657.911713,3262121.245850,1],    "boundingVolume": {    "region": [2.110237,0.540297,2.110402,0.540422,0.000000,45.202033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_388886.b3dm"}}}