{
  "manageEntity": {
    "action": "Update",
    "entityId": "696978255",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x201a7bba485564cef17829d0c4286f24ccc9f2169ac070112811ca512da0f12b",
    "signature": "0xaaa8c1d02327a955a7ae3bf5db7551cb2fb79d385688e33088465e7c9dba9f4d2bda8f4f60ed111385cf4acb4259261515826c91bb93abb3096cd94881d1f5af1c",
    "signer": "0x60495664C60cF8427e991465f31ABe2F9dC345A5",
    "userId": "696978255"
  }
}