{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949656,-0.313296,0.000000,0.000000,0.174842,-0.529978,0.829791,0.000000,-0.259424,0.786362,0.560655,0.000000,-1656386.269496,5020808.011486,3555740.934435,1],    "boundingVolume": {    "region": [1.889377,0.595044,1.889539,0.595310,0.000000,8.667473]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1356919.b3dm"}}}