{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949523,-0.313697,0.000000,0.000000,0.175119,-0.530063,0.829679,0.000000,-0.259721,0.786144,0.560823,0.000000,-1658284.068587,5019422.945046,3556804.523486,1],    "boundingVolume": {    "region": [1.889800,0.595246,1.889962,0.595512,0.000000,8.806784]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1457398.b3dm"}}}