{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604923135",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc904dd52c25f5505d80e84d62caf25e82e19d36ec646742316469690a8df38db",
    "signature": "0xe99f49c2aafbaa34dc555b824aa13f9b4fb9a3134e1759e19de58e1ee92f8dda344146160a60c415e91e608eadaf75a541925f01a6916a6fb23eee8e2cb17e7b1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}