{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949469,-0.313861,0.000000,0.000000,0.175056,-0.529566,0.830009,0.000000,-0.259961,0.786416,0.560331,0.000000,-1659813.919195,5021146.274575,3553678.211497,1],    "boundingVolume": {    "region": [1.889972,0.594652,1.890134,0.594918,0.000000,8.804800]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1379596.b3dm"}}}