{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170302",
    "entityType": "User",
    "nonce": "0x7922f2dbf5e544967d91acda2577d8e893baa65d70ceb56e04a55fa1ce1495c0",
    "signature": "0x1658d09e1ae3f14683c58269600dde0bb541cc16ff01ea26b0b405992b65a9c538b3c26db73570557bf6b3150542faf848918937e41d614293b67e8457983e421c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}