{
  "manageEntity": {
    "action": "Update",
    "entityId": "675013541",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9459bf6164e56b1820acb2892dcb528937a717f5a2ba500142cdb8df8cc25663",
    "signature": "0x86a8790d2cd1494b920a26d9a117e9ca905d8b38a2fab00425568c46840eff241b3643fa4162e7d66f746149176f340ee60d6572818cd4699e4245f8c167d3551b",
    "signer": "0x0A2F5D4CD50BFc8fcee7d40dFDCfBf866422FfaC",
    "userId": "675013541"
  }
}