{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb0024be079ef3d9b5353d8d1b01f35f3d73a6fa7b1052d1fb9292511402990a1",
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    "signer": "0xede35e3c6749F4D452BB895b866be3386dDA27c3",
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}