{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950706,-0.310095,0.000000,0.000000,0.173580,-0.532170,0.828652,0.000000,-0.256418,0.786140,0.562346,0.000000,-1637203.463395,5019427.579816,3566485.386086,1],    "boundingVolume": {    "region": [1.886006,0.597135,1.886172,0.597305,0.000000,8.756691]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/6_1384847.b3dm"}}}