{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871367,-0.490632,0.000000,0.000000,0.211786,-0.376135,0.902036,0.000000,-0.442011,0.785016,0.434024,0.000000,-2820984.142486,5010099.502358,2751465.293643,1],    "boundingVolume": {    "region": [2.083555,0.448914,2.083667,0.448994,0.000000,30.477902]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_221030.b3dm"}}}