{
  "manageEntity": {
    "action": "Repost",
    "entityId": "878499597",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x61b012bf736dc151966fb9fbfc39d8f5e1d32edb5761fe11d39363a187c0407b",
    "signature": "0x2e5726c8428fad743144fe0375608ad712938db3d0d974dad9b85c434820b48c2ad2645d6853b069acfad294db836a9389ea129b6664ea1565be1e5b4988bd8a1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}