{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950359,-0.311154,0.000000,0.000000,0.173541,-0.530047,0.830020,0.000000,-0.257723,0.787163,0.560315,0.000000,-1645521.778378,5025920.700299,3553576.375564,1],    "boundingVolume": {    "region": [1.887154,0.594707,1.887254,0.594824,0.000000,8.622843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/4_1459694.b3dm"}}}