{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950864,-0.309608,0.000000,0.000000,0.172875,-0.530932,0.829594,0.000000,-0.256309,0.787173,0.560949,0.000000,-1636498.244400,5025995.990178,3557607.409209,1],    "boundingVolume": {    "region": [1.885504,0.595422,1.885650,0.595642,0.000000,8.812425]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1448859.b3dm"}}}