{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4f4c7dc0812b7d294377366782f66b718b0ea2785408211cc947fe6a1f3a7edc",
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}