{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950586,-0.310461,0.000000,0.000000,0.173676,-0.531769,0.828890,0.000000,-0.256795,0.786269,0.561994,0.000000,-1639609.967485,5020241.516777,3564248.613706,1],    "boundingVolume": {    "region": [1.886426,0.596745,1.886523,0.596844,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395585.b3dm"}}}