{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950093,-0.311966,0.000000,0.000000,0.174447,-0.531279,0.829042,0.000000,-0.258088,0.786007,0.561768,0.000000,-1647860.359594,5018565.350531,3562813.620865,1],    "boundingVolume": {    "region": [1.887989,0.596417,1.888127,0.596626,0.000000,8.821155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398390.b3dm"}}}