{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639754",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb0c85870770714f528b4dd0157a61462071eb44476e40f9f779d79e3179defee",
    "signature": "0xfd13f2f64bf4186a6df55df6b0fab35f6a66296a7969a7d87a8df5bab6d3fb6c003cb4d8d301ba738474d52d8db1bfb203390b8dc6ba3b049ad791b54f953c491c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}