{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x091438d8951c51bbb8bd2fbb3f1c5a4ce56fddb0a9c466aa37c1e047ccd20af2",
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}