{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858203,-0.513310,0.000000,0.000000,0.262570,-0.438990,0.859270,0.000000,-0.440294,0.736127,0.514061,0.000000,-2810742.897917,4699277.186626,3259683.894146,1],    "boundingVolume": {    "region": [2.109751,0.539846,2.109917,0.539978,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3.b3dm"}}}