{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949566,-0.313566,0.000000,0.000000,0.174909,-0.529672,0.829972,0.000000,-0.259705,0.786461,0.560386,0.000000,-1658180.703811,5021435.744176,3554029.261611,1],    "boundingVolume": {    "region": [1.889662,0.594719,1.889824,0.594985,0.000000,8.569822]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1379080.b3dm"}}}