{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "940916831",
    "entityType": "User",
    "nonce": "0x809c5cf53a76559104e4c131184441c218acbb96d1379bed16019796c631eeb5",
    "signature": "0xd4ed3409dd96766a72008953a17e80720e6d4ec3180320472f77741ce7298d62618ed7de49d9e5aece530ae263468a2f4a3d334f9ba252d37fbeaa66b4703b1e1b",
    "signer": "0x87FC3581f96D45b347BB39E15f25079950C5Cc27",
    "userId": "339826419"
  }
}