{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949659,-0.313287,0.000000,0.000000,0.116106,-0.351948,0.928791,0.000000,-0.290708,0.881216,0.372757,0.000000,-1855038.066512,5623131.626262,2362675.310792,1],    "boundingVolume": {    "region": [1.889379,0.381928,1.889518,0.382028,0.000000,7.706571]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/20_64455.b3dm"}}}