{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xced8ae3d2bd1e11f111f486514e3aaea9599b2b90df0ffced56b1c29917b070a",
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}