{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294973155",
    "entityType": "User",
    "nonce": "0x4c06885e89d53cd8ca92756ace7484a1921d180884931ea13b508cd40e6ae09a",
    "signature": "0xe2eb50b5c329470cb5fbcf32476c259c03b375b6c609aac99b4b7149413bb1c26ca579ad00115192f1314bfe94de19343f671acfdeba8e0b1422ee0433fc37651b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}