{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942846,-0.333228,0.000000,0.000000,0.186750,-0.528397,0.828203,0.000000,-0.275396,0.779215,0.563010,0.000000,-1758379.853165,4975224.180073,3570706.933887,1],    "boundingVolume": {    "region": [1.910459,0.597992,1.910583,0.598055,0.000000,8.798716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/21_1285323.b3dm"}}}