{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858786,-0.512334,0.000000,0.000000,0.262073,-0.439293,0.859267,0.000000,-0.439454,0.736625,0.514066,0.000000,-2805383.440436,4702454.189772,3259718.946444,1],    "boundingVolume": {    "region": [2.108614,0.539856,2.108778,0.539981,0.000000,60.998433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/3_213040.b3dm"}}}