{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x98d01b88df734a27b4ebbc592222f155469c9cc431ca4536d0b22a43a4f9ae87",
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    "signer": "0x85b05A5e7cF0feBb14BB5feC1E645dB5151F8e8b",
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}