{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949488,-0.313803,0.000000,0.000000,0.175443,-0.530845,0.829110,0.000000,-0.259629,0.785571,0.561668,0.000000,-1657701.340642,5015779.881511,3562175.170092,1],    "boundingVolume": {    "region": [1.889943,0.596359,1.890042,0.596441,0.000000,19.594049]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1410662.b3dm"}}}