{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949091,-0.315001,0.000000,0.000000,0.116114,-0.349849,0.929582,0.000000,-0.292551,0.881449,0.370758,0.000000,-1866788.026308,5624591.104331,2349997.906432,1],    "boundingVolume": {    "region": [1.891200,0.379768,1.891308,0.379883,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76791.b3dm"}}}