{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894756,-0.446556,0.000000,0.000000,0.284538,-0.570123,0.770713,0.000000,-0.343226,0.687714,0.639723,0.000000,-2192144.771015,4392355.537608,4058489.522163,1],    "boundingVolume": {    "region": [2.033642,0.694075,2.033776,0.694200,0.000000,44.410574]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_983806.b3dm"}}}