{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950392,-0.311055,0.000000,0.000000,0.173960,-0.531515,0.828993,0.000000,-0.257319,0.786207,0.561841,0.000000,-1642950.053239,5019844.573516,3563276.050329,1],    "boundingVolume": {    "region": [1.887050,0.596560,1.887148,0.596659,0.000000,8.795997]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1392682.b3dm"}}}