{
  "manageEntity": {
    "action": "Update",
    "entityId": "679000026",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5483c3c92e9fdfcdd4078cbb0ed7d1b40b9707b2ef41067155e86346f1899587",
    "signature": "0xff1ea9ec4469ed5bcacad2014627a8bbb96219a8f17487d9a07c52cb55325795773e9229643894946f56e95b7454404a54f78490b3cf96e0e8e4c88fc57d017a1b",
    "signer": "0xCe072DB20F5be1b27734687e0293F58fdCa85906",
    "userId": "679000026"
  }
}