{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84960",
    "entityType": "User",
    "nonce": "0xdf6fcd4c396578e6d4a67eec88785c63d18a5439d09cf73659fc553a2f74b992",
    "signature": "0x0a0e1fd1d7adecf01e5e690942ed34a6893b2f76f697b5982f718713c377d1192f77663d11dc0788563d21fb1ccbe6714db6e9aa1b002010bb1d2d7a49c0a9631b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}