{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1298767621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8de7353afcd7fc800b733ddeca3cf23d31f66d639b5d0dfe05fdf4d6f12a61ca",
    "signature": "0x0f9b92bcc7b5703c78fc0d19e6a3c2e0a023d5c78d2fe631490b241e7ce3265076946cc29775e2e4f78fc3a920c59a7d46670922401dd388a2d57cbf48a46e9f1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}