{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949107,-0.314955,0.000000,0.000000,0.116096,-0.349850,0.929584,0.000000,-0.292509,0.881465,0.370754,0.000000,-1866519.816384,5624691.943658,2349969.785141,1],    "boundingVolume": {    "region": [1.891152,0.379763,1.891260,0.379878,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76629.b3dm"}}}