{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897936,-0.440127,0.000000,0.000000,0.282503,-0.576356,0.766815,0.000000,-0.336560,0.686640,0.644401,0.000000,-2149613.639996,4385586.560236,4088249.116757,1],    "boundingVolume": {    "region": [2.026473,0.700205,2.026600,0.700274,0.000000,19.737503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883933.b3dm"}}}