{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb5deafe4ce4434d38e763f817b7f1c1e21d49e8a72c6ccdb69030aff1e9282b8",
    "signature": "0x719794bb9192ea3d7021ce3f639334dbe8aa6d7e9bd495f555853147be480840469078b9a707959cd4a8054f298378f0ce1225ad67beac27b16d8ffd6800aad01b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}