{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x22edc4f96746bf6b962ae01260b7a0b0c3c5c418f9062629c2e0f085efe871d8",
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}