{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321523029",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc294c1745fd7f8812c9d370f63a448e2c44e058b01eae60e34f3d826c5a6d5e9",
    "signature": "0x69d4786330b684349e2a1e08bd5e52f4bc3e3a184d26449ffa31aa8b56d5883a29e6b94688f98b9c02d0621bc45cf314194d76df6e4d030fffda49cc288307011c",
    "signer": "0x49AAe7F19C6F36Ad6A28BbD81d50c5B9605bD230",
    "userId": "402520233"
  }
}