{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949734,-0.313059,0.000000,0.000000,0.174893,-0.530575,0.829399,0.000000,-0.259105,0.786051,0.561239,0.000000,-1654352.213343,5018834.295467,3559447.357430,1],    "boundingVolume": {    "region": [1.889133,0.595797,1.889286,0.595966,0.000000,8.820307]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1351988.b3dm"}}}