{
  "manageEntity": {
    "action": "Repost",
    "entityId": "819781091",
    "entityType": "Track",
    "nonce": "1789579230234165036",
    "signature": "0x73d786972a0ce8dd273d3d9565e9c69d42ec8892f581d0e18a32edf7906fb0ba132d4919c2f8614df88eb744ee3460843ce481e06f462ed467bfcbeb47f042ed1c",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}