{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950104,-0.311934,0.000000,0.000000,0.174344,-0.531026,0.829226,0.000000,-0.258119,0.786192,0.561496,0.000000,-1648056.002683,5019738.163199,3561082.160552,1],    "boundingVolume": {    "region": [1.887955,0.596088,1.888093,0.596297,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1432122.b3dm"}}}