{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897126,-0.441774,0.000000,0.000000,0.284081,-0.576894,0.765827,0.000000,-0.337381,0.685131,0.645577,0.000000,-2154868.378500,4375965.978183,4095734.401851,1],    "boundingVolume": {    "region": [2.028300,0.701724,2.028444,0.701834,0.000000,30.545038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_781290.b3dm"}}}