{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "469781621",
    "entityType": "User",
    "nonce": "0x3e2311c0df20fadac9091ca49fed3e62df085d127948ca82776bf8a4326c089c",
    "signature": "0x4087baebc945e424656020dbe602a3e7801eab9be63b9799e54a950cfec054a931a314ce428fa8d5dac5ce2faf7b56e13962f87dcbadc908fd1c2979d5a9ca481b",
    "signer": "0x7d0321da167AE8932c30b69fFec2F6141bb192Ab",
    "userId": "115792"
  }
}