{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898453,-0.439070,0.000000,0.000000,0.283851,-0.580835,0.762928,0.000000,-0.334036,0.683526,0.649009,0.000000,-2133537.304577,4365780.410097,4117565.761441,1],    "boundingVolume": {    "region": [2.025309,0.706244,2.025410,0.706318,0.000000,21.641586]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1817801.b3dm"}}}