{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538506009",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe80b4530238f69b424d8cfb066be549fa1db43792788a47c3b7bb3a159a29992",
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    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}