{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1399919486",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x856ff758afe3dbe3e3a1b1f5c0cdfba15ff6dfe3d1313916b26874191a2a0551",
    "signature": "0x7752f57f67d12fc59df4a605c33cd3deafb7a24a221944d71e6ccd439e2bf1c603bcee38503c6841468524441a33d69c19f0715f259b354f0fd3b31f807dcd201c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}