{
  "manageEntity": {
    "action": "Update",
    "entityId": "41709426",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3cc0d4f5710534d9c94b6c66ecf703f3ccba4e8708625bd3f5baedb23de033c8",
    "signature": "0x92b0c1b6c0fdd4d4034976bba3a9b203222633c555c448970d74ff62c9af382d135e7d53193ca740f14cbaa27a8d23bcf6e8f78e60d06558f94faa58f7e47b0e1b",
    "signer": "0x401225235d5AeCc31ddD1200b6A5597442b14a9e",
    "userId": "41709426"
  }
}