{
  "manageEntity": {
    "action": "Repost",
    "entityId": "386518",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xed2add11ef14c51125b9770d9905f7e911f2db5eea854ddce05fd260662477ae",
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    "signer": "0x45C74e4f36E4e5064C5321eeED3748fD52B04eA8",
    "userId": "133970929"
  }
}