{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "639977873",
    "entityType": "User",
    "nonce": "0x82b3dce6b337eb38fcbd421e7ee9affdb2d2c858818331bd34225e215892a431",
    "signature": "0xfcd0c12b8683d4c1850c51bf900f495a8c4f1fd2d79e159314a7278c2a48162e5fd1261c455c1e4c7238a1dbc1e85512da799e05294e60daa6346d92223948291b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}