{
  "manageEntity": {
    "action": "Repost",
    "entityId": "510905",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x71c1f42606a15c7782deb0f017e4f0b0dbc9f11eb2a50af46527ff8cad3c9556",
    "signature": "0x8a28f8dc81fa7c60184840fb3eb0653979ec79195ca2067c5c533b5331de3c8f3004a107badf9a0cba4cf35390b3a0e418a4e21de773fff1d38271494b6da5a71b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}