{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950054,-0.312084,0.000000,0.000000,0.174257,-0.530477,0.829595,0.000000,-0.258359,0.786504,0.560947,0.000000,-1649590.082175,5021723.824829,3557594.088979,1],    "boundingVolume": {    "region": [1.888100,0.595464,1.888264,0.595595,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455515.b3dm"}}}