{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x969adb457f9069ee1be4bf9e7b6f8eb93c826cd947ec11df1e01c03deef39ebb",
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}