{
  "manageEntity": {
    "action": "Repost",
    "entityId": "539358157",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x03313bd6013e6c40567a6145107841abbf7b0af0cfd08a660109be892bebe35c",
    "signature": "0x420a358c7bf33947c51938be2210cd291a8b19d941a14c9d71ba02c30d4e03240e157ef57d54f13dcaa15ca3cea2794bee53feb376a220509ef89b3c1edabb221b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}