{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871451,-0.490483,0.000000,0.000000,0.211720,-0.376168,0.902038,0.000000,-0.441877,0.785093,0.434020,0.000000,-2820133.106260,5010590.671428,2751443.442013,1],    "boundingVolume": {    "region": [2.083384,0.448910,2.083496,0.448991,0.000000,61.613427]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/0/1_211520.b3dm"}}}