{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852961,-0.521974,0.000000,0.000000,0.269301,-0.440066,0.856632,0.000000,-0.446337,0.729362,0.518472,0.000000,-2849365.869493,4656164.718589,3287708.690560,1],    "boundingVolume": {    "region": [2.119914,0.545021,2.120006,0.545105,0.000000,100.381366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_4341.b3dm"}}}