{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1bfe46288b1091c89997703aa8b227f23daa4aec8d156919f3c187a6e7062c89",
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}