{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x3d814def5a44ccf69ac7240b2f061df31ca8d9c7ecdf7c857d6ea295cea6aace",
    "signature": "0x9a58e6b679af5eea09c52161378fd502b28fa49abfc33f3b3e488389cd7ecbfc2ba773fbc91b24bc402b93e31d34ae88aba6d25d89eecf020c3467b7fe7962391c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}