{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858381,-0.513013,0.000000,0.000000,0.262506,-0.439229,0.859167,0.000000,-0.439986,0.736190,0.514234,0.000000,-2808776.036808,4699684.215783,3260784.854953,1],    "boundingVolume": {    "region": [2.109405,0.540052,2.109570,0.540177,0.000000,53.638766]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_225525.b3dm"}}}