{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657996998",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa213adc2f14713b27bac38e4e7775210862fd57f880b04765f6bc4a4f75c6e06",
    "signature": "0x512e8ddada3c4f784de81d23d9e4df1d28f2497224172fcdd51a650f7b0bba5723283a9aa5a7ccf13c031c6f05aaa517d098bf0d46220af4cf3dcff2171ca8101c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}