{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948523,-0.316707,0.000000,0.000000,0.115820,-0.346876,0.930732,0.000000,-0.294504,0.882024,0.367833,0.000000,-1879235.603695,5628219.703365,2331440.498703,1],    "boundingVolume": {    "region": [1.893005,0.376651,1.893100,0.376705,0.000000,27.718097]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_30531.b3dm"}}}