{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897666,-0.440677,0.000000,0.000000,0.285480,-0.581526,0.761793,0.000000,-0.334756,0.681903,0.650344,0.000000,-2138149.944270,4355438.507108,4126059.398158,1],    "boundingVolume": {    "region": [2.027074,0.707923,2.027225,0.708151,0.000000,11.320748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796701.b3dm"}}}