{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948878,-0.315644,0.000000,0.000000,0.176494,-0.530572,0.829062,0.000000,-0.261137,0.785020,0.561739,0.000000,-1667327.326969,5012263.463329,3562629.121621,1],    "boundingVolume": {    "region": [1.891863,0.596433,1.892000,0.596540,0.000000,8.756069]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1114434.b3dm"}}}