{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896921,-0.442191,0.000000,0.000000,0.282251,-0.572506,0.769787,0.000000,-0.339458,0.688543,0.640840,0.000000,-2168094.474296,4397673.979346,4065595.152017,1],    "boundingVolume": {    "region": [2.028744,0.695536,2.028927,0.695648,0.000000,42.492945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_448639.b3dm"}}}