{
  "manageEntity": {
    "action": "Update",
    "entityId": "541929255",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb01757525dea5e29a10b27c77ea4f47dfbfbd2c579707c8af7f2b4f2869a9090",
    "signature": "0x68728ee80cd267f8e2700e0881013ce707a22108f795338f754e61cd5f2affff0999f45a3996a7165db998906919c4d4b292d6c5a630ac11c3bc896749b95b111c",
    "signer": "0xeD9656baf818EAb27A71cc343064645430D224ca",
    "userId": "541929255"
  }
}