{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbb8af800af52b655157bf6a925571d48e2cf9136662245febb0751e256af800b",
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  }
}