{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950823,-0.309735,0.000000,0.000000,0.173206,-0.531706,0.829029,0.000000,-0.256238,0.786598,0.561788,0.000000,-1636049.865873,5022336.633281,3562941.520071,1],    "boundingVolume": {    "region": [1.885628,0.596461,1.885793,0.596630,0.000000,8.767975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1386393.b3dm"}}}