{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950636,-0.310308,0.000000,0.000000,0.173691,-0.532106,0.828671,0.000000,-0.256600,0.786101,0.562319,0.000000,-1638366.237125,5019171.887256,3566312.433320,1],    "boundingVolume": {    "region": [1.886231,0.597103,1.886396,0.597272,0.000000,8.779138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1384505.b3dm"}}}