{
  "manageEntity": {
    "action": "Repost",
    "entityId": "51521005",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfc785ad48b69196ce542e92b8279d02f274daa2d4600a3bd799176b4d5cbe8f1",
    "signature": "0xef4ef8a74766128a6ba5b37acfdd5510a26a926ea44c5fdd1897ead69beae4596c567997763ad3e37fa60150aeb2acb2e52c90bca0bfcc5afea71719f2742b5a1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}