{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949471,-0.313854,0.000000,0.000000,0.175540,-0.531043,0.828963,0.000000,-0.259625,0.785416,0.561886,0.000000,-1657676.341928,5014796.260234,3563562.053227,1],    "boundingVolume": {    "region": [1.889996,0.596653,1.890097,0.596675,0.000000,16.521569]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/12_1414867.b3dm"}}}