{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950382,-0.311086,0.000000,0.000000,0.173598,-0.530349,0.829815,0.000000,-0.257602,0.786986,0.560620,0.000000,-1644752.407330,5024792.996270,3555513.733191,1],    "boundingVolume": {    "region": [1.887082,0.595075,1.887182,0.595192,0.000000,7.597540]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1345967.b3dm"}}}