{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950870,-0.309590,0.000000,0.000000,0.173147,-0.531800,0.828981,0.000000,-0.256103,0.786591,0.561859,0.000000,-1635188.443120,5022295.308122,3563392.154610,1],    "boundingVolume": {    "region": [1.885475,0.596547,1.885641,0.596716,0.000000,8.803589]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386572.b3dm"}}}