{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896754,-0.442529,0.000000,0.000000,0.287231,-0.582053,0.760732,0.000000,-0.335691,0.680254,0.651587,0.000000,-2144132.193947,4344934.835789,4133968.318813,1],    "boundingVolume": {    "region": [2.029123,0.709622,2.029303,0.709727,0.000000,16.502667]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/9_1781816.b3dm"}}}