{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949589,-0.313497,0.000000,0.000000,0.175342,-0.531115,0.828959,0.000000,-0.259328,0.785510,0.561892,0.000000,-1655777.862465,5015395.677759,3563600.832924,1],    "boundingVolume": {    "region": [1.889619,0.596660,1.889720,0.596682,0.000000,16.570660]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/12_1415071.b3dm"}}}