{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8107fb309e97b2a9c0bb507f2d7456fc4e4b520e91ff4602d7d619a0597a473a",
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}