{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949616,-0.313416,0.000000,0.000000,0.175179,-0.530773,0.829212,0.000000,-0.259341,0.785774,0.561517,0.000000,-1655858.314786,5017074.227787,3561215.941487,1],    "boundingVolume": {    "region": [1.889535,0.596177,1.889634,0.596259,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443506.b3dm"}}}