{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421345",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x77c9633094910e0825751cb7380a6a213d87865ad92c14d400534f293188b7b5",
    "signature": "0x53da9bb6dcc4f74322225e42bd73c5418b67dc638016456aed177fa0a5f2e16c68fdbadb4df7dc459731991acd39dcfaa8ad655d388600778c0890170efba7d51b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}