{
  "manageEntity": {
    "action": "Repost",
    "entityId": "456755",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x528ab3e3ea6829052f8ff25ffa733e356a3fb145cc18c44ba80aaed8b3757b32",
    "signature": "0xee72b1759caf512ed4a08e3e537230fb1009dbf529f3c28987554b7a769fc62d5c946b8f0ebb9251c62cfcbd4f144e17c88b0ae6553e90c2ce36aa30e685ddbf1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}