{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948748,-0.316034,0.000000,0.000000,0.176358,-0.529436,0.829816,0.000000,-0.261699,0.785634,0.560618,0.000000,-1670913.907376,5016160.529623,3555504.708392,1],    "boundingVolume": {    "region": [1.892294,0.595021,1.892390,0.595244,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178757.b3dm"}}}