{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852962,-0.521972,0.000000,0.000000,0.269364,-0.440171,0.856559,0.000000,-0.446297,0.729300,0.518594,0.000000,-2849108.906142,4655769.742629,3288485.411094,1],    "boundingVolume": {    "region": [2.119912,0.545164,2.120004,0.545248,0.000000,78.392900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_4527.b3dm"}}}