{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513511541",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1c890baa1e55e1c08d447be29c8b367882109f7eccb3c34697e0fec29b5c8dad",
    "signature": "0x14820f4ff0b6a95d6fe5717597cdc405ecc1468abe8ddccdc60aa5b8b97db48c27aac20a03e07bc3c09115b0141ecdb60bcc5777c3050a7d9e1f05319047e7991b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}