{
  "manageEntity": {
    "action": "Repost",
    "entityId": "528917129",
    "entityType": "Track",
    "nonce": "1789419934619220360",
    "signature": "0x40a8c5f429aeae46a144fa8568298e0e8bb0ff6f4bfe66f1e0b715f5a5c9556846450fa4244afaed706f2afe3aa654ed6ea1e1ba24233fd470cb356c5517f5f31b",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}