{
  "manageEntity": {
    "action": "Repost",
    "entityId": "550621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdd1f28e7451c37360ebbc2eb95c718e2bdd63063df8e414ea409350639c2598d",
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    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}