{
  "manageEntity": {
    "action": "Repost",
    "entityId": "451855",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7cde2d0a9b213fa8338e587e7c702c000328d5e4c79e2af3f54c743bc534c773",
    "signature": "0x12b87cb313aca36376acca5a2c507f9b523777190f8039886313246823d31062552a04749a7c8610884d677dd3656d1f2aa968eceb73e3a195e0d42eb0b11b351c",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}