{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950653,-0.310257,0.000000,0.000000,0.173396,-0.531299,0.829250,0.000000,-0.256739,0.786669,0.561460,0.000000,-1639246.618966,5022785.561893,3560852.805069,1],    "boundingVolume": {    "region": [1.886211,0.596099,1.886309,0.596198,0.000000,8.809058]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/1_1427153.b3dm"}}}