{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621537905",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc838da5d19c474543a6ca236dab9bb36a259ba610a7de1450eccbce4fde225c4",
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    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
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  }
}