{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x47238376d8cb6a61baa4a22965fa99cbacf19e03beed7635d6eebc2b01715907",
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}