{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107884709",
    "entityType": "User",
    "nonce": "0x88fffae17608aaf438878b387facf58c18f20e62efd599960fb27110e8cca9d5",
    "signature": "0x94d54b05213a8d0b2d2bea2053040c6fcfba28be802b6e1d7739d208fdc3026502dd0e49a70f07a6076f4ea9ad1fd37e8e43e97640c0e2695b8c2fadf80809d91c",
    "signer": "0x6a79014dac58f1D33D45347A909f9628C2132216",
    "userId": "718119401"
  }
}