{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948932,-0.315480,0.000000,0.000000,0.116434,-0.350223,0.929401,0.000000,-0.292938,0.881128,0.371217,0.000000,-1869258.539557,5622546.399152,2352905.677161,1],    "boundingVolume": {    "region": [1.891704,0.380261,1.891813,0.380377,0.000000,41.325687]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/25_3699.b3dm"}}}