{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896487,-0.443070,0.000000,0.000000,0.283008,-0.572624,0.769420,0.000000,-0.339971,0.687880,0.641281,0.000000,-2171370.307789,4393445.524107,4068398.670875,1],    "boundingVolume": {    "region": [2.029725,0.696110,2.029908,0.696222,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_511073.b3dm"}}}