{
  "manageEntity": {
    "action": "Update",
    "entityId": "846847743",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfa7f519d75d35f94ce3c8a4d0ec71ece98e3c4da86132c309869343e6a88764f",
    "signature": "0xebf46b821621feb65cd9f60e6d4ba50a4d6fd19b171b2339685a9630948d9576569661577785b6ded5010f877d859220685060ce94c12458b3b8e539b37cedf81b",
    "signer": "0xd2d78f9b62b3956830b58248CcD3C59911Dd6E58",
    "userId": "846847743"
  }
}