{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xde873950f6260f872f6d17c5e9210ff5e2c5ee3c21fbc942c3b961fe7286c883",
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    "signer": "0x4d34Fc320feee67A4EB4002312C2FC6eFdC123F1",
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}