{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942699,-0.333645,0.000000,0.000000,0.186977,-0.528297,0.828216,0.000000,-0.275745,0.779105,0.562992,0.000000,-1760606.337283,4974521.466424,3570589.658200,1],    "boundingVolume": {    "region": [1.910901,0.597970,1.911026,0.598032,0.000000,8.482968]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/21_1250184.b3dm"}}}