{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9d1b28e3053253fe6f86a4518f4417603122b11b23d75d0eeffe21fcfbdb3047",
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    "signer": "0x6E59a341dDb8D8F4899893d5bA1Db482168EB9ff",
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  }
}