{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950650,-0.310267,0.000000,0.000000,0.173668,-0.532116,0.828669,0.000000,-0.256565,0.786110,0.562321,0.000000,-1638143.739335,5019231.968252,3566329.966249,1],    "boundingVolume": {    "region": [1.886187,0.597106,1.886353,0.597275,0.000000,8.779138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1384547.b3dm"}}}