{
  "manageEntity": {
    "action": "Update",
    "entityId": "419795889",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xffd4c358511ad765fc334c8fac30bd61e2dd812d817ef9c9d75a3c193316e352",
    "signature": "0xb08549a3faae198c4441010ff154a15e75f07ceb847c13f155235921de44fd312b121fd7714e9129459e9a22dba4d6fa6dc52576f3f0eec36ba621d9632bd4411c",
    "signer": "0xbF01d3816a6F4764Da6dF0CeFC8C48EEFdABB333",
    "userId": "419795889"
  }
}