{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949039,-0.315158,0.000000,0.000000,0.116253,-0.350073,0.929481,0.000000,-0.292664,0.881303,0.371016,0.000000,-1867513.416938,5623663.230326,2351630.617398,1],    "boundingVolume": {    "region": [1.891365,0.380045,1.891474,0.380160,0.000000,51.109123]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/23_2939.b3dm"}}}