{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896327,-0.443393,0.000000,0.000000,0.283800,-0.573707,0.768322,0.000000,-0.339729,0.686768,0.642600,0.000000,-2169836.323723,4386367.099675,4076789.632758,1],    "boundingVolume": {    "region": [2.030110,0.697827,2.030243,0.697946,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_540225.b3dm"}}}