{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619065421",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x904d4643bdf087ab6395568b189aa3258f14e0a6acd59b487e30143fbb66e321",
    "signature": "0x551fcea8e5e03783075063fdbd4cecbc4eba301d71009c9584b61af803fc5bb007c940ccaa5cfa0c187477f6cb0283aa179db01ee3b685361c11a4199f4a3d721c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}