{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x3369eb66eeb9dd5c91e069cfbbc3eb89ac340476b7471ec40ebe341ff4607fee",
    "signature": "0x857b8c40e334c141226f817cac8e3fb4a48a589924f6e3bba753de422ac99c3e196117fcec1460cb902520175bc5e5f9f16291e263f969cd491a10afe9114aae1b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}