{
  "manageEntity": {
    "action": "Update",
    "entityId": "1056256776",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_name\":\"Anvil and Feather (work in progress)\"}}",
    "nonce": "1792337310878793874",
    "signature": "0x39f0ddc3ffcb463b244219b0c3e27d6349402293be0253190c31e17509b35c4e3265661cae7d8d18b29cc4bf997e19b403a30b3d4303d77155a7648a74b35c5b1c",
    "signer": "0x7d853670b15a2150BFfd80b516C26EEd400f695a",
    "userId": "850116073"
  }
}