{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8a2a8a23c1c7a73ce98738315c63e598ef9f5eae529bd557024470c73b830bee",
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}