{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66114",
    "entityType": "User",
    "nonce": "0x8a1d793a5dd0814820c365a7b3037fe7cf2a1feb57e3c07d3bdb9c28dee7b3a1",
    "signature": "0xcd3a81704462d240b4083a64ee8592990c1420c9cbdcd1582a191175a7ab600541bb936995c247d93059e3b51b63390cf4c12b2df3f164d113b8db7b1f5574b91b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}