{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521663052",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc58c0b6170a5456a7d779724ed70d95b5cdecd63d4520995a8ae62c88b2a181c",
    "signature": "0xe1814632f5bacadc3966f47ea83bb93cf0817b39b889116fd439b1c911046ee47d806aac4fcbc1d5a0748ff432684fe498d39694ff3584412001cc74525212291b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}