{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x22ef31b28d0554daf888c2c0445972eed8bb6d4528b0d85f2ec43de631856d3e",
    "signature": "0x4ca1c0b147192bd81ffe0d658a4254a5f56da4feebe0f89f0587118c365df3c628fce268afde69fda77914b8567f4d8177969787074663b40cb08024e94f8ded1b",
    "signer": "0x594d79756bF4fA4c6950fAA89479781792F6e656",
    "userId": "298948042"
  }
}