{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949750,-0.313010,0.000000,0.000000,0.174764,-0.530279,0.829615,0.000000,-0.259132,0.786271,0.560917,0.000000,-1654524.128850,5020236.567144,3557403.152116,1],    "boundingVolume": {    "region": [1.889101,0.595443,1.889213,0.595543,0.000000,17.118197]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/0.b3dm"}}}