{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852972,-0.521956,0.000000,0.000000,0.269318,-0.440116,0.856601,0.000000,-0.446305,0.729346,0.518523,0.000000,-2849162.342503,4656058.120546,3288033.834006,1],    "boundingVolume": {    "region": [2.119893,0.545081,2.119985,0.545165,0.000000,100.381366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_3489.b3dm"}}}