{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895907,-0.444242,0.000000,0.000000,0.283858,-0.572460,0.769230,0.000000,-0.340784,0.687263,0.641510,0.000000,-2176570.338571,4389509.451227,4069858.547896,1],    "boundingVolume": {    "region": [2.031070,0.696412,2.031179,0.696519,0.000000,57.944838]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_618891.b3dm"}}}