{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949213,-0.314636,0.000000,0.000000,0.115955,-0.349820,0.929613,0.000000,-0.292221,0.881591,0.370681,0.000000,-1864684.413846,5625495.729464,2349505.948556,1],    "boundingVolume": {    "region": [1.890815,0.379684,1.890923,0.379799,0.000000,51.248855]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/19_75800.b3dm"}}}