{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcfef3b9ecc17d1e8c1558e4980c19c4e1b038146f7f9de4472ff7b923871cd73",
    "signature": "0x1bb3e494cd2816d893d5d50764bbcb6e79fbf4e81fc3874d82caddebee9f14920edc1460404705913c21a71639008f960450dca7e5d029a38e956f9babef71c91b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}