{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950164,-0.311749,0.000000,0.000000,0.174090,-0.530599,0.829553,0.000000,-0.258069,0.786555,0.561010,0.000000,-1647734.160352,5022046.407179,3557996.073298,1],    "boundingVolume": {    "region": [1.887780,0.595547,1.887879,0.595664,0.000000,8.818384]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1428049.b3dm"}}}