{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950429,-0.310941,0.000000,0.000000,0.173694,-0.530918,0.829431,0.000000,-0.257361,0.786658,0.561190,0.000000,-1643218.824305,5022708.321974,3559142.042263,1],    "boundingVolume": {    "region": [1.886929,0.595765,1.887029,0.595882,0.000000,8.793385]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1425123.b3dm"}}}