{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519655365",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6d19d5deda858e08572a4b2dd172b3e1b904477c2925d0f6fb81078dedb01c33",
    "signature": "0xddc3609809edea0e75832e190064518eb743341a27c4efcab1a37468b3b869e906d2af4cb02a85ff1584de81757045734d48eafc36559c116601566740c411c31c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}