{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852951,-0.521991,0.000000,0.000000,0.269291,-0.440032,0.856653,0.000000,-0.446362,0.729372,0.518438,0.000000,-2849524.563061,4656223.683227,3287489.115610,1],    "boundingVolume": {    "region": [2.119933,0.544981,2.120026,0.545065,0.000000,46.592433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_4312.b3dm"}}}