{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949437,-0.313958,0.000000,0.000000,0.175431,-0.530519,0.829321,0.000000,-0.259824,0.785731,0.561354,0.000000,-1658941.498831,5016794.982296,3560181.233752,1],    "boundingVolume": {    "region": [1.890105,0.595980,1.890204,0.596062,0.000000,14.128736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1360379.b3dm"}}}