{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc01a5dc6094c03cc8e63e1e013e3dcee8a3cbb8838b32acf290b1a05c94d8b7d",
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}