{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952573,-0.304311,0.000000,0.000000,0.113406,-0.354989,0.927966,0.000000,-0.282126,0.883127,0.374823,0.000000,-1800281.978862,5635352.959948,2375788.957287,1],    "boundingVolume": {    "region": [1.879937,0.384142,1.880085,0.384271,0.000000,21.439470]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/22/21_39401.b3dm"}}}