{
  "manageEntity": {
    "action": "Update",
    "entityId": "479846224",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x330863c15a4f26657daba41afd5a5e137e9b2969a46d95638870ad028f52ced1",
    "signature": "0xda7fa13ec16d43cf3c4d617a1fa9575c6cbc9244833c63d6c43a76cc3c717fad44dd656da3a64528d4de21af9d70739ef94dd3329c357fd315f68a9b7adc7b2e1c",
    "signer": "0x86F06b667612976334e60b0F9A287f6aBCF38ee4",
    "userId": "479846224"
  }
}