{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x91cb8447aa1b24cf221bcab79da4ce230e551ba15faa1b89d90fed0f3d4321e3",
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    "signer": "0x1266BB8EC78087E7cc9940cbD112F6208F1093A3",
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}