{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949150,-0.314826,0.000000,0.000000,0.115857,-0.349290,0.929824,0.000000,-0.292465,0.881735,0.370145,0.000000,-1866236.529203,5626409.612635,2346105.722138,1],    "boundingVolume": {    "region": [1.891015,0.379107,1.891123,0.379222,0.000000,45.128284]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/14_6449.b3dm"}}}