{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858786,-0.512334,0.000000,0.000000,0.262070,-0.439289,0.859270,0.000000,-0.439456,0.736627,0.514061,0.000000,-2805392.590987,4702469.522656,3259689.152752,1],    "boundingVolume": {    "region": [2.108614,0.539850,2.108778,0.539976,0.000000,60.998433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/3_212574.b3dm"}}}