{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1398651657",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc3870621dc428b9735747fee4cd7bb1a336be2bfbfdd932e3543b22e446f0636",
    "signature": "0xe25dd661b3dbc8f028581850f1dd9d954e03d5f9ecf553667ffd396319f7f6a72bf94558d87a69f1bf03e0957d3b9488eaefcc55d9b157a7a51918fcf8f149f81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}