{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871247,-0.490844,0.000000,0.000000,0.212009,-0.376316,0.901908,0.000000,-0.442139,0.784796,0.434291,0.000000,-2821804.853227,5008698.216757,2753162.977408,1],    "boundingVolume": {    "region": [2.083798,0.449211,2.083911,0.449291,0.000000,109.170094]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_227487.b3dm"}}}