{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949140,-0.314856,0.000000,0.000000,0.116634,-0.351595,0.928858,0.000000,-0.292185,0.880799,0.372587,0.000000,-1864463.324306,5620469.664594,2361597.282347,1],    "boundingVolume": {    "region": [1.891032,0.381745,1.891170,0.381845,0.000000,8.759653]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/18_64886.b3dm"}}}