{
  "manageEntity": {
    "action": "Repost",
    "entityId": "336287",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4143ea83fa1e2d1f7d55f31566a39b1b5c5bcfb7cd0c0d6bcdde2c1e71d7c94a",
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    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}