{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545399",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe27c6becd0bfa51942a28f9f9ae64365b0cb8a367455f14957d56486c546c4bc",
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    "signer": "0x580b8ce3181CecdE24dda8DddDB6a57828990d63",
    "userId": "214104220"
  }
}