{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852949,-0.521994,0.000000,0.000000,0.269394,-0.440195,0.856537,0.000000,-0.446304,0.729270,0.518631,0.000000,-2849153.911880,4655578.443779,3288715.689611,1],    "boundingVolume": {    "region": [2.119937,0.545207,2.120029,0.545291,0.000000,84.644033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_4593.b3dm"}}}