{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5909aa2d7f7cc1b3f06a0dcce24d60bbf7d8b365d069bd78c58bad50311306e8",
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}