{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949137,-0.314864,0.000000,0.000000,0.116025,-0.349751,0.929630,0.000000,-0.292439,0.881537,0.370637,0.000000,-1866073.526730,5625151.979760,2349227.951596,1],    "boundingVolume": {    "region": [1.891056,0.379637,1.891164,0.379752,0.000000,59.537360]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/19_75370.b3dm"}}}