{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0x8763a6f02df90130ed447106e090eb18c36248e06b11350fe6d114ff361fef78",
    "signature": "0x18fbec6dce21a76841b5c98f3f3371fd1fc1c1e3517ffde5f8cc51e0726987923ffb053be8a4dcf8b42242d98f8a45b7b630b01e7149709b93e8e70155a951c31b",
    "signer": "0xE9B9EEdDb579478834256Bd35E42d09cfb754b1d",
    "userId": "281227"
  }
}