{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925362271",
    "entityType": "User",
    "nonce": "0xa4c18bf81e2a8c6ec30a8b44b6372775afafecaf42fc2ece26522049372a85d4",
    "signature": "0x430e9767936412a011ee2edff57064e6119ccfbf480b9e9d63c1c29b9d25d4332660f4835fc9d61c3f3ca32f711b0ee3c469a24a198b5fa0b0c214b83f45bf851b",
    "signer": "0xb3ec8D53b350D3Fae74A06a6023Fa66171B67E2c",
    "userId": "695620563"
  }
}