{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950188,-0.311678,0.000000,0.000000,0.174058,-0.530636,0.829536,0.000000,-0.258004,0.786557,0.561036,0.000000,-1647323.656908,5022065.164625,3558158.581977,1],    "boundingVolume": {    "region": [1.887705,0.595578,1.887805,0.595695,0.000000,8.784539]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1428242.b3dm"}}}