{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896781,-0.442474,0.000000,0.000000,0.287312,-0.582308,0.760506,0.000000,-0.335549,0.680071,0.651851,0.000000,-2143226.107150,4343770.429422,4135650.158001,1],    "boundingVolume": {    "region": [2.029062,0.709971,2.029242,0.710075,0.000000,9.813341]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/12_1781686.b3dm"}}}