{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948575,-0.316554,0.000000,0.000000,0.116429,-0.348886,0.929905,0.000000,-0.294096,0.881278,0.369941,0.000000,-1876644.674147,5623490.398253,2344810.742745,1],    "boundingVolume": {    "region": [1.892838,0.378910,1.892943,0.378980,0.000000,13.696613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/21_8047.b3dm"}}}