{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xeffe5d662fb35847d7da6b9cc07394c7c9ade3fd83eeecb9ebaab636b64da373",
    "signature": "0x8d6fdc1bfd5ab8c176f9eae0ba4b575e639d8b783c9d0bcba700c291018faa1b5daeec50f8209097239a7fa75f1ef8c9de35ff010a8ba768e920bc633ec871cf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}