{
  "manageEntity": {
    "action": "Save",
    "entityId": "2111142770",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x06f7c0dfa067d9646696b9473ab1a0c04c97814a50933f22127e8df493b6a182",
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    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
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}