{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107347200",
    "entityType": "User",
    "nonce": "0x71337f1b6f0fae0ef0ca81021d695a4f8b330234df77e07221e44e236c4e73e5",
    "signature": "0x0c00da4b49de9f463be42ea3b9e26baadb7619ee4406a03ede4bbd5507e8d6b66f725ad6094d8a149c95b71010794524a8004b3ac5a37642eab7903b1d5f898a1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}