{
  "manageEntity": {
    "action": "Update",
    "entityId": "918602404",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x01486884812d32a1a29902effa70a33a53c226142c915a56eaf6ef54a8ecd87f",
    "signature": "0x8f3bec941629b085445cfe86766d93c019d30182b3eae59f617e81213042b58a19e3a16dbc92f956c00c41bf1ab470f90dda4378ad42ce0c389e115716611b921b",
    "signer": "0x9e6Bc923c3B1A420BDAF7b6dd8E4a6Bc51f0DfFC",
    "userId": "918602404"
  }
}