{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949336,-0.314262,0.000000,0.000000,0.175751,-0.530916,0.828999,0.000000,-0.259974,0.785340,0.561832,0.000000,-1659905.130716,5014304.768465,3563218.494683,1],    "boundingVolume": {    "region": [1.890425,0.596588,1.890527,0.596609,0.000000,8.700919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/9_1419140.b3dm"}}}