{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852837,-0.522177,0.000000,0.000000,0.269361,-0.439930,0.856683,0.000000,-0.446537,0.729300,0.518387,0.000000,-2850641.740755,4655766.940527,3287169.592278,1],    "boundingVolume": {    "region": [2.120121,0.544916,2.120275,0.545012,0.000000,69.019033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/0_9869.b3dm"}}}