{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949069,-0.315070,0.000000,0.000000,0.115989,-0.349389,0.929771,0.000000,-0.292674,0.881609,0.370281,0.000000,-1867574.668314,5625602.245835,2346970.991274,1],    "boundingVolume": {    "region": [1.891272,0.379254,1.891381,0.379369,0.000000,29.996723]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/15_6777.b3dm"}}}