{
  "manageEntity": {
    "action": "Update",
    "entityId": "358446780",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa8e05d1fb9cd84ecb894cdab65ebbc6c28cc55f1b2e4bd5c25d38fa4ff36d76c",
    "signature": "0xffc25c6c48924a798e26e715c5b4188a5cee2abef3492d688c343870492da96b3cd729ee5f4d7e263d28b9d0a2a426a225d9f0beafba8ca80753cc6f1b8554371b",
    "signer": "0x6eC124c00C2D1F52478dbfB88C5486302a33da4E",
    "userId": "358446780"
  }
}