{
  "manageEntity": {
    "action": "Update",
    "entityId": "981824750",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7frhpazeofvcwincagccrsydb7akhzjq5k5j4vrrbojbjb2cbmta\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":112061281},{\"type\":\"playlist\",\"playlist_id\":1389477278},{\"type\":\"playlist\",\"playlist_id\":133231}]}}}",
    "nonce": "0x79091038617f3fd66232df79bf73562feaa51a186a947e97c162cc0ee4162cc8",
    "signature": "0xeb1dd58839e37285807cd1beb8b3495e5e827de93a36bea2f6c7e737663abd7b1843f3f577dd7e71f31f0e00229f702c16945679c2d6ea1a92e66e07fb08aba31b",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}