{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950630,-0.310325,0.000000,0.000000,0.173622,-0.531864,0.828840,0.000000,-0.256667,0.786258,0.562067,0.000000,-1638792.894870,5020175.384097,3564714.363862,1],    "boundingVolume": {    "region": [1.886249,0.596799,1.886414,0.596968,0.000000,8.821139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396409.b3dm"}}}