{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66076",
    "entityType": "User",
    "nonce": "0x5cb314b76e1a9db255bc8b222fa90e84f20a8a732b1f38df4b0f81c906b07502",
    "signature": "0x567bc3584a3a9ba1dd04b9ddbbbe4e2b22d8ccfc60eba6192eeb136c74c912b86871af32833066d2c766fe9fbf57d0531749d24500ecb9c40bbb772e07ab1e2b1c",
    "signer": "0x9837C03EAdfA74365Cdf4e01e6840D356104bFab",
    "userId": "911622928"
  }
}