{
  "manageEntity": {
    "action": "Update",
    "entityId": "78245799",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3bf600eb4dcbc93776f50a4d939893f0cf6010d647854e5aed42e2769adb929e",
    "signature": "0xbb536d09a50debc4cb009fe29e187a4ba70c181ce50c9b5de5bdc15f5713fb8418821f74f349cd84b6a337578519ef4d64d650c3828f3348001ff65348b152121b",
    "signer": "0xA1aB2f0dfbA9832A44278D58A4312773a3297f13",
    "userId": "78245799"
  }
}