{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450997608",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x24c9e952c4adb6beb5c04df707b762b55cdc95501bb8032597059008be49f947",
    "signature": "0x4145a16c92ae7ff701bfed53cdc08d5e7205547c67bf32749315cf81eb6c45743affff1999aedc59282cf2ef61e25d5f71ec3b812634d78c3b7dad569ba4199a1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}