{
  "manageEntity": {
    "action": "Repost",
    "entityId": "878689390",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdec21642ef794c7b6f1fd357d8fc138e3fadf841c0303f68896f0d8421005459",
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    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}