{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124822",
    "entityType": "User",
    "nonce": "0x955883cc9a658246ec98bbc3218e2d2c549a48c1fd55d90ff507ce246d53c818",
    "signature": "0x2d50b8d7455d869112390a8811562737a52f9c9aa48b66821855fdef6f70eac96d6d48f03e2d1823d7310b39ab0cd90eba06cffc230108821fda6d9ae1b30ffc1b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}