{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x0ec073f19a05a50d7da929413d32e6b52e98a6962b8f0722ef5d8baee505b7f9",
    "signature": "0x50f8ab27c5ffb2387d36fbd0a03ff0beec4be8e18b21d3cfdeb19a26ea93f57830f74604c879f92929289b9d0bc87ff60ed7edda6ad8079668c471027dba07121c",
    "signer": "0xf3c59CcC58ba618C8833363781F4765e28cF1b22",
    "userId": "595153814"
  }
}