{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0x9e3d1aa547e0f4f3beabf4e15b0d5a7ffc353c75c81672efa2cc4145ba470570",
    "signature": "0x085795fd3e43356f38194cdaefb99e6ca3b42625bcd5f09435926ece614705c246d38d0df5011553db40920d27ff3be69af3873f5a67cadbeb110588c1ebf3621c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}