{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950043,-0.312119,0.000000,0.000000,0.174272,-0.530458,0.829604,0.000000,-0.258391,0.786503,0.560933,0.000000,-1649793.819703,5021718.562834,3557507.623097,1],    "boundingVolume": {    "region": [1.888137,0.595447,1.888301,0.595578,0.000000,8.776923]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455349.b3dm"}}}