{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545426",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8b9d2d2fce66aeea35b123709a318712d4d8f53a75e6a189693fd177aef3bcb6",
    "signature": "0x768ca1fe93c55099acc582cd9f84c8bb803472eb1ac1cb3f385d11df5d26fd9c5d2f8427c2b6ccbcf89a3ec16f89990cd9850f71c8cf8281bd862a755a27ad191c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}