{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950568,-0.310518,0.000000,0.000000,0.173626,-0.531508,0.829068,0.000000,-0.256898,0.786424,0.561730,0.000000,-1640262.289444,5021225.055858,3562573.916499,1],    "boundingVolume": {    "region": [1.886485,0.596427,1.886583,0.596525,0.000000,11.760865]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1389485.b3dm"}}}