{
  "manageEntity": {
    "action": "Update",
    "entityId": "995280810",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7714415807060795d3cdc44ca6c41fcdff15b3324442507cd736d242e61b795f",
    "signature": "0x6b8f75a3cf5b3c17f4b476935347a4c582826cf4c4dca9c615a9537e0b3cdb3b18b3e8065e7758659b3410135cd3160de7f53ae8d4cf632a7061e03ddf504c081b",
    "signer": "0xe3c64b1f5E7e0Da588E291cF14186fA7EFa5f2E2",
    "userId": "995280810"
  }
}