{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943165,-0.332324,0.000000,0.000000,0.186048,-0.528020,0.828602,0.000000,-0.274782,0.779857,0.562421,0.000000,-1754457.619575,4979312.091083,3566961.325589,1],    "boundingVolume": {    "region": [1.909500,0.597271,1.909625,0.597350,0.000000,8.818214]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1256103.b3dm"}}}