{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858214,-0.513293,0.000000,0.000000,0.262568,-0.439007,0.859262,0.000000,-0.440275,0.736129,0.514074,0.000000,-2810619.339775,4699289.849987,3259771.584705,1],    "boundingVolume": {    "region": [2.109731,0.539866,2.109896,0.539991,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_129060.b3dm"}}}