{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xad0df5a0045185cba8d7611e105ccf0723cc23cd9f373ab53b3712cdcf8935c8",
    "signature": "0x9f5751c4f5c7d88c50c02218b516f2c4ec9baca449065266e7cfc5588533d6a724d765476ab08b7e2a919439f810dfa30dcfb950da18d9a6229dcd76b8262d861c",
    "signer": "0x1202c4113214dBeA1880204A73bad7c763b8cE8a",
    "userId": "97853881"
  }
}