{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950750,-0.309960,0.000000,0.000000,0.173088,-0.530920,0.829557,0.000000,-0.256589,0.787043,0.561004,0.000000,-1638285.774212,5025165.324775,3557955.754495,1],    "boundingVolume": {    "region": [1.885889,0.595541,1.886005,0.595655,0.000000,8.812964]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/11_1421499.b3dm"}}}