{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951532,-0.307551,0.000000,0.000000,0.113190,-0.350199,0.929811,0.000000,-0.285703,0.883935,0.370179,0.000000,-1823088.506016,5640448.448425,2346320.265135,1],    "boundingVolume": {    "region": [1.883333,0.379141,1.883497,0.379262,0.000000,6.752204]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/17_44595.b3dm"}}}