{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa7064bb26e7e796758577859f36eab37db673797f2fb4bfadd73ac0acffa7377",
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    "signer": "0xEc5D4f5B0AAe97f259CbecA004a9ED02a3F5c9a3",
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}