{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe5c52e0573ce3c95bf046088ffa5e3655eea893e06a5ae58d9dfc1079f98c924",
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}