{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858477,-0.512852,0.000000,0.000000,0.262502,-0.439408,0.859077,0.000000,-0.439801,0.736195,0.514386,0.000000,-2807599.278658,4699713.599621,3261749.285327,1],    "boundingVolume": {    "region": [2.109218,0.540229,2.109383,0.540354,0.000000,11.719766]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_247192.b3dm"}}}