{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4511fafcf6fe849322a9cef3335b90dc244af34a7371b31862dfa391c40f1dfa",
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    "signer": "0x8b10bDf25757582173a989FbF28C28E08Ae2cF79",
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}