{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949027,-0.315195,0.000000,0.000000,0.175827,-0.529401,0.829951,0.000000,-0.261048,0.785994,0.560417,0.000000,-1666752.616286,5018455.421292,3554227.842883,1],    "boundingVolume": {    "region": [1.891411,0.594794,1.891506,0.594985,0.000000,12.957806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/28_1177288.b3dm"}}}