{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949982,-0.312304,0.000000,0.000000,0.174774,-0.531638,0.828743,0.000000,-0.258273,0.785629,0.562211,0.000000,-1649046.737959,5016161.941886,3565629.229226,1],    "boundingVolume": {    "region": [1.888328,0.596957,1.888499,0.597157,0.000000,8.784562]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/27/31_1385718.b3dm"}}}