{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6d1e663f9847e6e79dc19a58bc2b801276b247a3a115b1e363d45ee9b9eca8aa",
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    "signer": "0x269D04011bff7235FfE8b5BD215D32b5a8B4D0EA",
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  }
}