{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949218,-0.314618,0.000000,0.000000,0.175510,-0.529521,0.829942,0.000000,-0.260567,0.786144,0.560431,0.000000,-1663684.234530,5019411.358106,3554314.965020,1],    "boundingVolume": {    "region": [1.890804,0.594811,1.890898,0.595001,0.000000,10.400011]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/28_1372534.b3dm"}}}