{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950597,-0.310428,0.000000,0.000000,0.173482,-0.531241,0.829269,0.000000,-0.256886,0.786641,0.561432,0.000000,-1640184.555835,5022604.539880,3560677.415131,1],    "boundingVolume": {    "region": [1.886390,0.596066,1.886488,0.596165,0.000000,8.795990]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/1_1426753.b3dm"}}}