{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1543537534",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x323c17d184d107d60471a352ed253f0b8123b94faf37eac6422bf8bf145d9b98",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
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  }
}