{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x549ff15119c7b516bfa9aeea2a381a1f688c8b25c8bece9894c4f49c5dc0762e",
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}