{
  "manageEntity": {
    "action": "Update",
    "entityId": "725714600",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf353a63d05dbfb41765cb21e69edf6f96a9d5df5a7700c844ee4376f4b2d5500",
    "signature": "0xc31fc40bb7e22240ce0baafac82b7eb29683a869c246cf7e7059f1d759f4aea56f9caa9a40a7ec6914aa3648f6b08f7f86e4a1c464643ca739945b3b5ea3c0531b",
    "signer": "0x92e0A690bEb990ea3E8e361Dd326c12E9384d0A6",
    "userId": "725714600"
  }
}