{
  "manageEntity": {
    "action": "Update",
    "entityId": "474807225",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8c6589549db3905074618e9d24f771478eb9fd901c4085533dfbf03b05ff13e8",
    "signature": "0x111de3b6a9d4a014ab8e673d2d69a44d971cd4bdb9140626460b79e7cb9131c55d4c2bd82115dd49e00fcd0fe506edd8c1ec7d3b85409d213384eaf1423be3801b",
    "signer": "0x08e3B5f9ae3588211a60D2888b5aAEB60cCcBD0f",
    "userId": "474807225"
  }
}