{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7a24789bd0b68e7142133e0b1ad3b59f2c3515e7a1c5f473f8ce9eff1d73fc62",
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}