{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545399",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe35e74021ad8b6edcd4994b57536793dffe0b5ae6b974168288db9cb80174bac",
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    "signer": "0x55B320FE4ae0dC96fE927A1d4fA23b18d1874EF1",
    "userId": "562822143"
  }
}