{
  "manageEntity": {
    "action": "Repost",
    "entityId": "129959",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2ec7af333a980d6c9126d8303fb3686d07754c9999ee0417c62e07ab02181523",
    "signature": "0xe0388897f92863342e1d22f96c10848c0bce4b3701889bb5ffeadeb876b62b660551c57e48ef767ce63f884ca21101ef9e5b285454ca2c1a07a5b1b27da5dce71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}