{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1453425787",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc850912c40635dc8e2e12efa0a7f8a4dde53163a01c9603dfa8e15a95a81ad28",
    "signature": "0x19425b2e15500b97e136e94594113cca6c7b7e857cc1868bc78e04f7c6818ba536896aa26035f0ffb39dcd648373e8011179d73dfbc80d321d5c760bad9951be1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}