{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xee7471cfaad9365672d3b2b10feb8ab409b1ba37d309f0afde2f7324e6f33122",
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}