{
  "manageEntity": {
    "action": "Repost",
    "entityId": "751208518",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc43582e07a4e2f7ae9407d0116e899241e0163dd45f600939403cbc5d220d423",
    "signature": "0x2a7805105aea8eeca3c3917940442e644d8eff34f60f89d3d93e2824c924b8b6377a5c7193923494725a43612be8438d100bb4b6fe29d00a8430e4ab10adb2971c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}