{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950357,-0.311160,0.000000,0.000000,0.173852,-0.530986,0.829355,0.000000,-0.257519,0.786525,0.561304,0.000000,-1644226.682756,5021861.694002,3559866.298397,1],    "boundingVolume": {    "region": [1.887160,0.595903,1.887260,0.596020,0.000000,8.808885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1430178.b3dm"}}}