{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2574a8f8fa42a1354ae0e1ba59429d4fcbd0f1dbc603d31b2c52c90700aadd46",
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}