{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949596,-0.313477,0.000000,0.000000,0.174978,-0.530051,0.829716,0.000000,-0.259550,0.786240,0.560768,0.000000,-1657193.104721,5020033.153184,3556454.150286,1],    "boundingVolume": {    "region": [1.889567,0.595180,1.889729,0.595445,0.000000,8.784550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1368372.b3dm"}}}