{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949674,-0.313239,0.000000,0.000000,0.114400,-0.346835,0.930923,0.000000,-0.291339,0.883278,0.367345,0.000000,-1859039.833470,5636211.457006,2328344.224825,1],    "boundingVolume": {    "region": [1.889314,0.376028,1.889483,0.376278,0.000000,8.814951]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_28715.b3dm"}}}