{
  "manageEntity": {
    "action": "Repost",
    "entityId": "520149665",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6ebbd67ec55eaf65296a12f02eb7d404740ad291d75bfc67d0a703f4710c7fdf",
    "signature": "0xbbf0e679704e03e5c622bc93790cf55253a8e27ec4948949b354ece4bdb142212354f2638b93a6648976ebca10b87130bc2d1323ab07e28f8b8a87e8ea4a33d91c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}