{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858208,-0.513302,0.000000,0.000000,0.262565,-0.438992,0.859271,0.000000,-0.440287,0.736131,0.514060,0.000000,-2810700.181665,4699305.005781,3259680.643704,1],    "boundingVolume": {    "region": [2.109743,0.539849,2.109907,0.539974,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_326629.b3dm"}}}