{
  "manageEntity": {
    "action": "Update",
    "entityId": "944117628",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x392362dacc8cb20d805ce13a409be5d4d903f92d4c0a4f357ac86d0dd057368c",
    "signature": "0xf631ddf8966dd4020e3878f398a437a6712a2c37ce5b9ea86cb49f84e19aebf41842a45927b80973eaf5f23293494aa8f29c0f55cf8bd09144e5520a68e779751c",
    "signer": "0xBe9B6f5cb472cCcDCEFf1f823a3Ec32D93CcF9C1",
    "userId": "944117628"
  }
}