{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x986d7090bc390172292b4159730829130d29660ae48a20093f59238a8629c3af",
    "signature": "0x32c0b021ea3117a1542ae45e7aa739cb04f3362498f1ce052d37933ba4be8ed52b4d61d4bb2699befd8e0221f9b21a6c812708b0176389d18e616ca82b0f54401b",
    "signer": "0x3F1C98a466b3211b621486F2fed5394602a48C01",
    "userId": "392596236"
  }
}