{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950568,-0.310518,0.000000,0.000000,0.173636,-0.531541,0.829044,0.000000,-0.256890,0.786402,0.561765,0.000000,-1640215.111400,5021084.321747,3562792.510841,1],    "boundingVolume": {    "region": [1.886485,0.596468,1.886583,0.596567,0.000000,12.750379]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1390104.b3dm"}}}