{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950349,-0.311185,0.000000,0.000000,0.174181,-0.531942,0.828673,0.000000,-0.257326,0.785865,0.562316,0.000000,-1643001.182784,5017670.077358,3566293.558904,1],    "boundingVolume": {    "region": [1.887187,0.597134,1.887285,0.597233,0.000000,8.793415]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1385649.b3dm"}}}