{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948639,-0.316360,0.000000,0.000000,0.176420,-0.529014,0.830073,0.000000,-0.262051,0.785789,0.560237,0.000000,-1673156.776146,5017141.940368,3553080.741686,1],    "boundingVolume": {    "region": [1.892638,0.594560,1.892734,0.594783,0.000000,8.751338]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1215309.b3dm"}}}