{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x712b77cc0cda8d6363cc31a2db8555d8890cf828eab05f85aee2a6153e7a4b7b",
    "signature": "0xb79bddfc3cd2b81bb9901da1ce3fb9861ed66d29ea5a40b127eb31d8849b60c47ceb4cd3dd4c16e571682a1bc5059dcf87f5fd581d9f758ce01f760e0205210f1b",
    "signer": "0x6B186051880840dd160cB110a27294aF10eD65a6",
    "userId": "799062557"
  }
}