{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7356c893e91ef534aa69311c9e7f69c04a97da66f76cecfc57e1704c877612cc",
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}