{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949223,-0.314604,0.000000,0.000000,0.175502,-0.529524,0.829942,0.000000,-0.260556,0.786147,0.560431,0.000000,-1663609.260429,5019435.894655,3554315.404083,1],    "boundingVolume": {    "region": [1.890789,0.594811,1.890883,0.595001,0.000000,10.400011]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/28_1372519.b3dm"}}}