{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951085,-0.308928,0.000000,0.000000,0.114191,-0.351556,0.929176,0.000000,-0.286784,0.882910,0.371785,0.000000,-1829995.478328,5633931.051808,2356510.905979,1],    "boundingVolume": {    "region": [1.884784,0.380884,1.884941,0.380978,0.000000,10.124353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/15_43212.b3dm"}}}