{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943087,-0.332546,0.000000,0.000000,0.186535,-0.529005,0.827864,0.000000,-0.274719,0.779092,0.563512,0.000000,-1754059.466675,4974443.653967,3573896.403414,1],    "boundingVolume": {    "region": [1.909726,0.598582,1.909870,0.598680,0.000000,8.806178]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_657580.b3dm"}}}