{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950641,-0.310294,0.000000,0.000000,0.173683,-0.532109,0.828670,0.000000,-0.256588,0.786104,0.562319,0.000000,-1638291.044056,5019194.836868,3566314.662254,1],    "boundingVolume": {    "region": [1.886216,0.597103,1.886381,0.597272,0.000000,8.779138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1384518.b3dm"}}}