{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120328011",
    "entityType": "User",
    "nonce": "0xd992beff87eee50e1951ba8c225626e5ae5aa9a795912e069f744badc1a1748d",
    "signature": "0x89d3081f26d30b55a431270e12a7a6aa19e03c52135382f3d808b4af2388afed5b41a6c4d8c34012bc2f589991b42397673b3b732cfafc52822ce5c02d2f49281b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}