{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949169,-0.314767,0.000000,0.000000,0.116046,-0.349933,0.929559,0.000000,-0.292326,0.881499,0.370817,0.000000,-1865355.273895,5624908.723223,2350372.835706,1],    "boundingVolume": {    "region": [1.890954,0.379831,1.891062,0.379947,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_77663.b3dm"}}}