{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xca1d71e09ef4ebf9c80435c992dcfdbc540851558da1b31c6b0561b52aba792c",
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    "signer": "0x8346caC07445e2bfd9cfF12337BE37E7Fd3c96B6",
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}