{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950686,-0.310154,0.000000,0.000000,0.173361,-0.531386,0.829201,0.000000,-0.256639,0.786650,0.561532,0.000000,-1638606.445020,5022667.097092,3561311.431770,1],    "boundingVolume": {    "region": [1.886103,0.596186,1.886200,0.596285,0.000000,8.660056]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/2_1341853.b3dm"}}}