{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950961,-0.309311,0.000000,0.000000,0.116100,-0.356945,0.926882,0.000000,-0.286422,0.880590,0.377522,0.000000,-1827710.287548,5619207.205654,2392911.728060,1],    "boundingVolume": {    "region": [1.885183,0.387068,1.885346,0.387171,0.000000,14.322847]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/18_59689.b3dm"}}}