{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950968,-0.309289,0.000000,0.000000,0.116019,-0.356722,0.926978,0.000000,-0.286432,0.880689,0.377284,0.000000,-1827772.553154,5619834.331065,2391401.126228,1],    "boundingVolume": {    "region": [1.885160,0.386811,1.885323,0.386914,0.000000,5.119096]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/15_61002.b3dm"}}}