{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122774",
    "entityType": "User",
    "nonce": "0xb230e25c5f31f12ed5cf8a15dfb010e3fb8cd8a6c89cafc3ebf716e5a09b0449",
    "signature": "0x3c62536dd72ef9883ce200e77e2522e07d5e0854fe56ce82161ee66a7771b85f3504081a10991b7ff0d17e5f26813854cbcbe211ba62637c900e4b372df06e561b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}