{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950617,-0.310366,0.000000,0.000000,0.173762,-0.532213,0.828587,0.000000,-0.256622,0.786005,0.562443,0.000000,-1638505.958754,5018561.574466,3567101.727376,1],    "boundingVolume": {    "region": [1.886292,0.597253,1.886457,0.597422,0.000000,7.564504]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_1325005.b3dm"}}}