{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949137,-0.314865,0.000000,0.000000,0.115980,-0.349613,0.929688,0.000000,-0.292458,0.881592,0.370491,0.000000,-1866192.276266,5625500.885933,2348304.193824,1],    "boundingVolume": {    "region": [1.891056,0.379480,1.891165,0.379596,0.000000,41.277450]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/17_7480.b3dm"}}}