{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950572,-0.310505,0.000000,0.000000,0.173612,-0.531493,0.829080,0.000000,-0.256891,0.786439,0.561712,0.000000,-1640216.874942,5021323.665888,3562456.628213,1],    "boundingVolume": {    "region": [1.886471,0.596404,1.886569,0.596503,0.000000,11.800449]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1389217.b3dm"}}}