{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1258860728",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xefbbfac91589206e084126e0ad536b56e1eab876e0113ae5011f5cc79ff72f0f",
    "signature": "0xb5c4f04a228d1f9d95d271c159855430b039e5203f2a75d2007f7b7ad6b42b111bd570fef73229fea32da630eb0159c70eb82724ac5a4d87b17563a338c9de0b1c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}