{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4ed0a95d4aa489be598e2564cfad4ab4e9b09e5168c1030cdea80e5d24a38e50",
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}