{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949428,-0.313985,0.000000,0.000000,0.175453,-0.530535,0.829307,0.000000,-0.259841,0.785710,0.561376,0.000000,-1659055.456620,5016658.566113,3560319.423795,1],    "boundingVolume": {    "region": [1.890134,0.596006,1.890233,0.596088,0.000000,9.794685]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1359935.b3dm"}}}