{
  "manageEntity": {
    "action": "Repost",
    "entityId": "550575",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x42f48c7094b376ef970b08aef36f8976780bd06e45dce607d7eeae099e9b271d",
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    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}