{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x660d255068bc721bd5f881a53091ff93c959da47ed344219842c3e98bf6fda16",
    "signature": "0x51254f685072efbc6518d13de97124479fdfa239bdc6b3ce6aab21c02b23434466a13688b5ce1c0b2b40e52f456b8fa94283aa8fe49c8f24db40eaed85e369cc1b",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}