{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448126147",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9e421ff0b0e5f10687c3528b2a001bdad6e06a6537b3fd0e30921826112bd49",
    "signature": "0x47f41cd43aa113d75a0690abcbc371f689a8d2e252e035933f8d5e2042a49eaf0645e962502bf64ef589ae74735f00a4b6dce0b8aef625be48481e686ae1ecfa1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}