{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5e02d6bd3f873d38a6e9350e63dfb83ec23b169db6e34ea3bc68272b00507245",
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}