{
  "manageEntity": {
    "action": "Repost",
    "entityId": "583065728",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x045d4d47b919efc8bbc9a7a667e8d41af1e2b2566bdce316276c4d902d75e38a",
    "signature": "0xa62b85f9bd7e5b624cf55e430d0eaadcd75543fb44e0616a301c3ab1fd183b4c3fe68a0ea0bb595c188e704142c52db4ed3602217fef5fdef8b16ea1ad8aefec1c",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}