{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "547969682",
    "entityType": "User",
    "nonce": "0xbc89306c514b542ac0d1028c5db5d8f68c2cc2f60f27c35e3bcce1e1250d9fdb",
    "signature": "0x473d4c33b2e9e364ad1b02c29ed75695b00b741e72eefd5c62d59f89e94744a10a3c65141f0858d8c3cc367417629d6f6fc90aae774959afa60df7cce2a35b251b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}