{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949989,-0.312285,0.000000,0.000000,0.174576,-0.531070,0.829149,0.000000,-0.258385,0.786022,0.561610,0.000000,-1649756.733310,5018660.083134,3561809.197433,1],    "boundingVolume": {    "region": [1.888308,0.596228,1.888479,0.596433,0.000000,16.008612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1401616.b3dm"}}}