{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950162,-0.311757,0.000000,0.000000,0.174097,-0.530607,0.829546,0.000000,-0.258073,0.786546,0.561021,0.000000,-1647761.095893,5021990.243417,3558062.425028,1],    "boundingVolume": {    "region": [1.887788,0.595560,1.887888,0.595677,0.000000,8.818384]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1428185.b3dm"}}}