{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "952178",
    "entityType": "User",
    "nonce": "0x06883590cd174a207410ac5a3ad791e0d12a362156bd991c14430677ddd07215",
    "signature": "0x6c17ad2b55516e3e68db32afca799dcbe0017939ed0dfc320f76215e61cbffd849a4c7685d41e49021199198a7dd4f8e9108560e53a105d7a4354877446e1a481b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}