{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538901",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe2adc10b6c10d2936b7f614021a5ec157b88de18e436b84448cc8145bec75f7d",
    "signature": "0xd7f13971fc8c3ec5c2cb7cbf49a02c322ce97d22dd003ff97761ef9894563d014b77d13e646a0dc18021a7f9aadbd564077916da005db863f7218161bc8d9fbb1c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}