{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949998,-0.312255,0.000000,0.000000,0.174276,-0.530215,0.829759,0.000000,-0.258552,0.786614,0.560704,0.000000,-1650820.385781,5022421.168906,3556049.077494,1],    "boundingVolume": {    "region": [1.888280,0.595170,1.888444,0.595301,0.000000,8.761190]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1456683.b3dm"}}}