{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949649,-0.313316,0.000000,0.000000,0.116068,-0.351799,0.928852,0.000000,-0.290755,0.881266,0.372603,0.000000,-1855335.436588,5623446.437712,2361698.923805,1],    "boundingVolume": {    "region": [1.889410,0.381762,1.889549,0.381862,0.000000,15.872123]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/19_64116.b3dm"}}}