{
  "manageEntity": {
    "action": "Repost",
    "entityId": "478127675",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x870a3753d644a465a4df8b38757ca3e0249546cac9e7680232e07e74e656c676",
    "signature": "0x6304486d3cd12775b8458b520bf3198c40bd68dd50a9cb6075451257766241383c71bdff8cafed278b95f09e94e936ff353c365dabc59a88102225e62a2f03411c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}