{
  "manageEntity": {
    "action": "Repost",
    "entityId": "667030397",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5b91af7fc6ca5dc07c3afcd0c32d37bfaed9fad44943b7aa9e8f0634d5c2ebbd",
    "signature": "0x519a64373a8229d032b95bdec86f1b91f2587483498cadfe1b58a70bd8c9e27e6ca77ab8be2ef9a0598d6b834a97d33e5ef864f3233c60463bd436492a7fdea01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}