{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948987,-0.315316,0.000000,0.000000,0.175897,-0.529385,0.829947,0.000000,-0.261147,0.785956,0.560424,0.000000,-1667383.928674,5018214.421807,3554271.712740,1],    "boundingVolume": {    "region": [1.891539,0.594803,1.891634,0.594993,0.000000,11.164096]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/28_1076658.b3dm"}}}