{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450107296",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7f94b52b505e4253ee49c1173a25967fa86d0752b3cda3984c1f28d621618748",
    "signature": "0x57c5f98e001b785beb7b797ce2d71e91e8c013e9363dd1f6ba4b5c359f53acc5226c1cd40b4a4cb826f85797aef5ca5018eeaac61801f9d2efe3419ccd18c5131b",
    "signer": "0x1A748d74Db6424f9EA1Ce41A3A445631765103bc",
    "userId": "799948905"
  }
}