{
  "manageEntity": {
    "action": "Repost",
    "entityId": "753389540",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x414c5fcb01e884134f9f194be3b178adf0474d0c62173121a9f1155f0d7cc12b",
    "signature": "0xf8a7a5e269395267c703c182764c95e7709e9b1772468232ec334fa0b3393dec5e8f8c7d5f42116654081215a55b82f20bb1614182f709d794ee119e0d10131e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}