{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xeecc7e26089625b8e1f4469d4fe2531be2184b0fbcf5d65475517f8296b19825",
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}