{
  "manageEntity": {
    "action": "Repost",
    "entityId": "77422224",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xac9dd986842bda9317a4bd9076ac8ca906962da8ba07eb6033d0e637d32de507",
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    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}