{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950209,-0.311614,0.000000,0.000000,0.174267,-0.531397,0.829004,0.000000,-0.257785,0.786067,0.561824,0.000000,-1645924.902748,5018946.774021,3563168.573972,1],    "boundingVolume": {    "region": [1.887611,0.596496,1.887763,0.596682,0.000000,8.770327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1329451.b3dm"}}}