{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640916",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5e02c6235b774783554466318600488a6720652a01cf4fbe97c5c4643cca814c",
    "signature": "0xc1d8e5c1bd8be1594ee1f79fd51836209c0a676c64db927c3531da09398330d811c26144f693ef057135c34ba9a7185a47bc59befe1d3ba5c4e14d6ad1af74cb1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}