{
  "manageEntity": {
    "action": "Save",
    "entityId": "31755126",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe4644d28b0bf7c16dc689043d700f1feee41c747bf8eabafc7e398594671bb82",
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    "signer": "0x3F1C0f5BE1B341ca06Ca0f74d5D51cb75D9C714e",
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}