{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948815,-0.315831,0.000000,0.000000,0.176306,-0.529656,0.829687,0.000000,-0.261491,0.785566,0.560811,0.000000,-1669581.233530,5015731.035302,3556728.203940,1],    "boundingVolume": {    "region": [1.892081,0.595253,1.892177,0.595476,0.000000,8.764068]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180203.b3dm"}}}