{
  "manageEntity": {
    "action": "Repost",
    "entityId": "751650",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6cbea54971c612fb26ff03e5703e14aa9073b7c76a865d2bdd0fbadff273f3b6",
    "signature": "0x4fa7388dfbb11c5957f4f25443af75cc76fc20b7107e06ae029fb79f03692a040a9b83aec0bf8a84b7421d29ad05dbd8987dcd3a2348acc2c9d8e6dbbb7ff87e1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}