{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67180",
    "entityType": "User",
    "nonce": "0x0ba1f50d4af43def12c265669927c9b4abe9ba81626e309b09a1b520246af056",
    "signature": "0xc7a950d917703e879383dd4b433a87934203fff3d039a99fa022a6190f4230a944482450dcc0442459a278b9daea155a9b80c134c76a9c93aa50a9901e0ff3cd1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}