{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "594455930",
    "entityType": "User",
    "nonce": "0xe6e329995e448e1733f8fc723b4614ad5d62e366e7181ffafe47fcafd29d2c33",
    "signature": "0x9b359b2652616eb80853655443554946e408cb0947f642f852689c1397171dcf61e90b83835fa5b468c35d7103c6d0d00228f18f84d19e42401bca0650c3a9861c",
    "signer": "0x702B42aC08fFEC44DCe9b0c5F13963B53b221550",
    "userId": "403965724"
  }
}