{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xd045443a1201b777c9b312b19eafcdbb0215ff21b9db921af8f6d4ceb693b6ce",
    "signature": "0xf8fa49d3bdbc37529512042b67cabbb78c58e60245822caeb4f1394a7af111d9764deea252d40b347db8cdf25f9bd83b3c86be1cc9e15b7d1a93758047c89d901c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}