{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858482,-0.512843,0.000000,0.000000,0.262525,-0.439457,0.859045,0.000000,-0.439777,0.736172,0.514439,0.000000,-2807443.784457,4699567.660745,3262091.077787,1],    "boundingVolume": {    "region": [2.109207,0.540291,2.109372,0.540416,0.000000,25.682700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_250521.b3dm"}}}