{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa41c266a974b3039d4e14aaeca27ecf58e6f435242bc0c44d4502effcb4c0bdc",
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}