{
  "manageEntity": {
    "action": "Save",
    "entityId": "131201",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfc724fa69caab1c0a6b85c14eab9fcf574ac05ee0fe6c715cf73911248d5a9d6",
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    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
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}