{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944542,-0.328391,0.000000,0.000000,0.183010,-0.526387,0.830315,0.000000,-0.272097,0.782626,0.559875,0.000000,-1737297.745803,4996939.011566,3550782.546270,1],    "boundingVolume": {    "region": [1.905314,0.594101,1.905478,0.594370,0.000000,8.721617]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_950728.b3dm"}}}