{
  "manageEntity": {
    "action": "Repost",
    "entityId": "453501",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6fe568583f5f232ab65e586a15ea7a9aa98b9b8911bbc4a63de6438ba6338114",
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    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}