{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857956,-0.513722,0.000000,0.000000,0.263010,-0.439247,0.859004,0.000000,-0.440509,0.735685,0.514509,0.000000,-2812121.658726,4696462.820705,3262530.372866,1],    "boundingVolume": {    "region": [2.110232,0.540372,2.110396,0.540497,0.000000,45.202033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_394132.b3dm"}}}