{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x37e11cfead6c0e15e9812aec3deebf80f2691a9ff2c72c55f2a040d86d439929",
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}