{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xd1a1ba51ad43f4ed1a0d472e2f2012441deff18420b8a97b3ed05829e999a797",
    "signature": "0x71d49bdddf75272e27e554de69fd32f0815eedb556e0b80606ff6bfceb42eb7001a3b82a1a184423c78da14203fcb7aa7477dedde93e6f382e9093fd1b795edb1c",
    "signer": "0x4F460968D233345D7d626d1F13019caE5ab410De",
    "userId": "853069467"
  }
}