{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894438,-0.447193,0.000000,0.000000,0.285059,-0.570152,0.770499,0.000000,-0.343618,0.687277,0.639981,0.000000,-2194656.443824,4389571.226952,4060133.086015,1],    "boundingVolume": {    "region": [2.034354,0.694412,2.034487,0.694536,0.000000,49.246637]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1170441.b3dm"}}}