{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950321,-0.311271,0.000000,0.000000,0.173639,-0.530126,0.829949,0.000000,-0.257798,0.787064,0.560420,0.000000,-1645999.797593,5025286.434978,3554247.407536,1],    "boundingVolume": {    "region": [1.887277,0.594835,1.887377,0.594952,0.000000,8.758330]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1346635.b3dm"}}}