{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943196,-0.332237,0.000000,0.000000,0.186053,-0.528193,0.828491,0.000000,-0.274673,0.779777,0.562585,0.000000,-1753760.941687,4978803.624866,3568006.488806,1],    "boundingVolume": {    "region": [1.909408,0.597470,1.909533,0.597549,0.000000,8.608754]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1255563.b3dm"}}}