{
  "manageEntity": {
    "action": "Update",
    "entityId": "869687895",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xec2a4224d006aaee995aba5c350d30bc009c0cf2583d9898cceb0fec519f0ecb",
    "signature": "0x8aba4813a0d04f201233b38239ba89abb8e246eb560749de4905ada6384dc9983d2561afcac0bace362db5da007fb2faea87fc2580b2b723c5ebdf53ccfd541c1c",
    "signer": "0xc59Fb8Ee89EF1748eBb97EFbEbbFD2e3728D2f82",
    "userId": "869687895"
  }
}