{
  "manageEntity": {
    "action": "Update",
    "entityId": "858635686",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierarnkzgjzerzb7btveqnocar3oddpcbt543pgs56rcyu2ijrasutna\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":868231252}]}}}",
    "nonce": "0x68af36741bbde0c28be1cb622fd57eb95b864dbec559f136d56f1695e9234724",
    "signature": "0x8405b473a75937c6fd3ccb56874b2cf8f29411d9b458d40478574838cef4cf0d7ab635b7e29d9b8bb4348d4b3a79683bdb0855a92ae86dfff0efa53bfd1644081b",
    "signer": "0x88f32c3cEB2a2cFdA5D449ECe4cd51DF1D6c09D3",
    "userId": "858635686"
  }
}