{
  "manageEntity": {
    "action": "Repost",
    "entityId": "258483",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4c0524d21513fbaf4cfc4bb4ece3ae0c8ca6b747bf989d79856f88b1cd525198",
    "signature": "0x0224b5441d1d156f192b92338bf86e4f58a7a5eecc2bbc657d0a17789116c8e52a90844c7ce8ed1a8bb13f65a82352a349140204961e7a155ee1ee8e65292b931c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}