{
  "manageEntity": {
    "action": "Save",
    "entityId": "323987660",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5709e78a78f8f5d41db67c44f5a30872e2e03cc146642f8ef347a6976bda6197",
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}