{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "641172",
    "entityType": "User",
    "nonce": "0xe608e39b09fff14dd05683e48b322cd1d8cd9db15c6b9ca1920884fe97079b12",
    "signature": "0x7ff40e3257c50d4811801673f428c9bfde3f80d16743529e3cd6c11a1ccbf021747301ab193cf83fdc0768d73c1bbba18bc7a83af7e066d533da0f0f15a7e20a1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}