{
  "manageEntity": {
    "action": "Update",
    "entityId": "274933861",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x70b745f1cdcc310fa833729dca1cb0e02fe7ef82bba2cf404a9f2672f1c15ccf",
    "signature": "0x2af3f5658a0bdb574529661b8dd6b47b00969e6826290000476ee230aae6ec5c4faccaec1ca5a973f4e25208056840a14c602dad3cbb2948f1a67ba5c0a28ed41c",
    "signer": "0xE08B006459446E8563f9D7e3af3f424D9dE92E75",
    "userId": "274933861"
  }
}