{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950064,-0.312054,0.000000,0.000000,0.174413,-0.531009,0.829222,0.000000,-0.258217,0.786155,0.561501,0.000000,-1648687.169341,5019506.307498,3561116.589402,1],    "boundingVolume": {    "region": [1.888082,0.596094,1.888220,0.596303,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1432211.b3dm"}}}