{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509543984",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x52940d4a3b127b3243e1ce10a5191236ba4ba750abdcb6e310291905fb27286d",
    "signature": "0x7f7b650c10c77c881325ddacdd5e0b40a0d5111948c85ecb0ad31dd0e9cf5dff2896507e01eb4dde1ff012609356bc951ddbbf45e141c0b1f9300d735c27c8851c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}