{
  "manageEntity": {
    "action": "Save",
    "entityId": "1901802961",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x37549b83a77b2bf9c79fda5770b6b7779085af0ebea1b1250c9e3c6868b3e486",
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}