{
  "manageEntity": {
    "action": "Repost",
    "entityId": "512852",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5b4b266ecdc1cfed875035a4cbbfbd23a774762e0d63c07612c42b9cb8dae3e2",
    "signature": "0xb609f7bee15779b7e23934707447d792073328ce5f1dd94eafefea6eec88960d49d5d11c8172c6b300266ad77ccca2702d949c57715cd2ecf508863ae9c211c11b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}