{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x343b313f4c9af8db1c18d61d4659582d526b8735e0c4e4423ab6979f19f03862",
    "signature": "0x803af757a5dd03d35634e7c36259ad9a8469ff0795995dfe71930287ba7705424b286bfb38f34dafabdab99d329fe937bff481f00ff040f185061b97538f81971b",
    "signer": "0x6b8CBA667a1288Caa4Eb2f1ABF8e68cBDf4af260",
    "userId": "635245416"
  }
}