{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949063,-0.315086,0.000000,0.000000,0.115793,-0.348778,0.930025,0.000000,-0.292771,0.881847,0.369637,0.000000,-1868185.146529,5627114.670800,2342883.382080,1],    "boundingVolume": {    "region": [1.891291,0.378583,1.891396,0.378653,0.000000,32.647987]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/17_9988.b3dm"}}}