{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898349,-0.439283,0.000000,0.000000,0.284277,-0.581356,0.762373,0.000000,-0.333953,0.682945,0.649662,0.000000,-2133015.616917,4362084.772173,4121722.674992,1],    "boundingVolume": {    "region": [2.025544,0.707104,2.025650,0.707176,0.000000,15.332688]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/3_1802551.b3dm"}}}