{
  "manageEntity": {
    "action": "Repost",
    "entityId": "598932741",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x64e56edc1bf7aa2def396223e08664262356a70b18ed131c58f6f529a685a695",
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    "signer": "0xC08bE28cf05cBcaE3094E0FbAbfA61ca8Ad61dc1",
    "userId": "190259218"
  }
}