{
  "manageEntity": {
    "action": "Update",
    "entityId": "443946049",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6223325e704bcc50c4dc6542beda1d4ea26b241890551050e040f8c50832ce68",
    "signature": "0x3d82a02bb021feb85f4db7003b2eae1def57e83af457acbdf714f9834aaf31dd2a5dc6055b892365bdadeabf8a39412e743d87a23d1602c299cf1ab5559562b41b",
    "signer": "0x02cd62bf8F31A6fC900ba296b481AbA8d462F744",
    "userId": "443946049"
  }
}