{
  "manageEntity": {
    "action": "Repost",
    "entityId": "606393400",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xabc5e2e727ee5d699a52c1ee162a4bd60d4c9ff59bf2df20b9bf4804b6610618",
    "signature": "0x028d8a15d0a00c920ddd24027417195e54d39dad13f03170a10a7ab4800c99321643611f500a2a9f18e276bd059a32184c316214f2e4d0ff2e5f429c450eb3331c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}