{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952146,-0.305643,0.000000,0.000000,0.112168,-0.349429,0.930225,0.000000,-0.284058,0.884904,0.369128,0.000000,-1812590.147884,5646615.834342,2339655.156941,1],    "boundingVolume": {    "region": [1.881328,0.378010,1.881492,0.378131,0.000000,6.554087]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/7_47410.b3dm"}}}