{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949996,-0.312261,0.000000,0.000000,0.174662,-0.531378,0.828933,0.000000,-0.258298,0.785823,0.561930,0.000000,-1649202.617280,5017391.365969,3563838.969372,1],    "boundingVolume": {    "region": [1.888300,0.596612,1.888438,0.596821,0.000000,8.764911]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1407378.b3dm"}}}