{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949469,-0.313860,0.000000,0.000000,0.175250,-0.530157,0.829591,0.000000,-0.259828,0.786016,0.560953,0.000000,-1658966.893849,5018604.768825,3557634.941146,1],    "boundingVolume": {    "region": [1.889971,0.595404,1.890133,0.595670,0.000000,8.818167]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1367072.b3dm"}}}