{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa9562365426c7f6a7c20dda714b1fd5cee13a0f96e097cd1e6d78d4cbf129488",
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    "signer": "0xbE8e39b4b8532DeB0fc0DfE7a9f28e479aef40EE",
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}