{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949457,-0.313898,0.000000,0.000000,0.175405,-0.530553,0.829305,0.000000,-0.259769,0.785732,0.561379,0.000000,-1658591.691260,5016798.866630,3560337.685339,1],    "boundingVolume": {    "region": [1.890042,0.596010,1.890141,0.596092,0.000000,12.085643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1359869.b3dm"}}}