{
  "manageEntity": {
    "action": "Repost",
    "entityId": "258696679",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1527dcf5a9b7ab443627c0b422e3aa7b611fee465b48d55c4a61d38a9e65d8fc",
    "signature": "0x2aa62a344a490720f00f3cac870dd78fc71521ed9a75152e545c58f1b70a9ece2f3eb706c34c49e99aaf1f0aefa887bb66f21f2b3062835a20f83f87900e45dc1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}