{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950380,-0.311092,0.000000,0.000000,0.173934,-0.531365,0.829095,0.000000,-0.257381,0.786295,0.561690,0.000000,-1643348.810945,5020401.364185,3562314.087057,1],    "boundingVolume": {    "region": [1.887062,0.596334,1.887214,0.596519,0.000000,8.813437]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/0/2_1397870.b3dm"}}}