{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1655515",
    "entityType": "User",
    "nonce": "0x0f17d1e34a7c9b051dd3def533e5c6c50432b5f6616d7df0f1c8debdd38204b8",
    "signature": "0x13050f1d78352f1e747b2a36af8b4486fb7364f4cd244ef13969c6a406977a49499023ed4409564bb9ac4e75993118081990a1979f01eb5988973b270d9736e21c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}