{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xa4c18aa81cfefc637e002f4992d7cdf6f7cbb410c73b280be176c412351c1113",
    "signature": "0x249f198405170819cede077e70a2138dd770d4794878d29f71dfcbff9c766668650df7f1c99246526d1e85a5b57e2fe50a61ac381707544d64f9a0fd4fb704b91b",
    "signer": "0x138211692b4e44fa8133FF53Da30AD345820524E",
    "userId": "904871299"
  }
}