{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858281,-0.513180,0.000000,0.000000,0.262910,-0.439711,0.858797,0.000000,-0.439938,0.735784,0.514856,0.000000,-2808474.989341,4697103.052280,3264734.274551,1],    "boundingVolume": {    "region": [2.109600,0.540777,2.109765,0.540902,0.000000,60.258233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_442744.b3dm"}}}