{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950259,-0.311460,0.000000,0.000000,0.173652,-0.529811,0.830148,0.000000,-0.258016,0.787202,0.560125,0.000000,-1647391.174749,5026165.833473,3552371.447664,1],    "boundingVolume": {    "region": [1.887443,0.594471,1.887607,0.594602,0.000000,8.606825]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1458334.b3dm"}}}