{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1fd17651c78f154c58d49a5dc2b5011c5c90b073a34bfbcc2bb49dbc6b57656d",
    "signature": "0x82839e46400519aee9fec356f614e0036e04eb073260b6a40464aaeb02772abf00c3cb4addd2ec1606dd6ec7ab20815da791eaa956f066d54b2a5cefec2fec9b1c",
    "signer": "0x2565764634Da5c106B218e12c0cEa5b03766b121",
    "userId": "452933192"
  }
}