{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950878,-0.309566,0.000000,0.000000,0.173129,-0.531790,0.828991,0.000000,-0.256087,0.786607,0.561844,0.000000,-1635083.767941,5022396.707207,3563297.906163,1],    "boundingVolume": {    "region": [1.885451,0.596529,1.885616,0.596698,0.000000,8.765336]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386477.b3dm"}}}