{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948967,-0.315375,0.000000,0.000000,0.115963,-0.348934,0.929945,0.000000,-0.293014,0.881681,0.369839,0.000000,-1869739.486582,5626060.732667,2344165.562574,1],    "boundingVolume": {    "region": [1.891596,0.378801,1.891701,0.378871,0.000000,14.050071]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/20_12838.b3dm"}}}