{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858909,-0.512128,0.000000,0.000000,0.261984,-0.439383,0.859248,0.000000,-0.439269,0.736714,0.514098,0.000000,-2804197.216065,4703022.063754,3259919.004434,1],    "boundingVolume": {    "region": [2.108375,0.539893,2.108539,0.540018,0.000000,13.149966]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/0/3_217038.b3dm"}}}