{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950223,-0.311570,0.000000,0.000000,0.174243,-0.531405,0.829005,0.000000,-0.257748,0.786079,0.561824,0.000000,-1645693.514260,5019022.970190,3563168.126235,1],    "boundingVolume": {    "region": [1.887565,0.596496,1.887717,0.596682,0.000000,8.770327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1329450.b3dm"}}}