{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857933,-0.513761,0.000000,0.000000,0.263021,-0.439221,0.859014,0.000000,-0.440548,0.735674,0.514491,0.000000,-2812368.789665,4696392.326414,3262419.571942,1],    "boundingVolume": {    "region": [2.110277,0.540352,2.110442,0.540477,0.000000,45.202033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_392488.b3dm"}}}