{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896922,-0.442188,0.000000,0.000000,0.282317,-0.572643,0.769660,0.000000,-0.339401,0.688431,0.640992,0.000000,-2167727.659288,4396955.499684,4066561.225399,1],    "boundingVolume": {    "region": [2.028742,0.695733,2.028925,0.695846,0.000000,54.634504]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_448621.b3dm"}}}