{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949883,-0.312604,0.000000,0.000000,0.174472,-0.530152,0.829758,0.000000,-0.258841,0.786519,0.560705,0.000000,-1652666.197907,5021810.989646,3556053.430343,1],    "boundingVolume": {    "region": [1.888648,0.595171,1.888812,0.595302,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356554.b3dm"}}}