{
  "manageEntity": {
    "action": "Repost",
    "entityId": "534479",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9bc9f86ffefe87f071fc6baf6545b2a7cb0b9ac3c18785463052dcfe35ef2800",
    "signature": "0xfc80ee78bd313b245939045957a43856b0cb4a7812d2ec75b5e561422cd2e82b1e0522620d38850c060bab82b44c2c04a53620d50a7a9a8d1201b03e63aada7f1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}