{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896434,-0.443178,0.000000,0.000000,0.283616,-0.573680,0.768409,0.000000,-0.339603,0.686928,0.642495,0.000000,-2169034.539185,4387388.565035,4076121.584151,1],    "boundingVolume": {    "region": [2.029853,0.697675,2.030022,0.697824,0.000000,39.422854]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_519797.b3dm"}}}