{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x65ed7ebf99640abcdee6f904596970f3ed13a7f515296ba0de751e198f177ca5",
    "signature": "0xbd6148cd286a8df7f68e454696e4d43cdd87f7d54dc5772832a2004ff63395755fdfb62439cfcf8d2f624d7d08933a472cb37dfbc5892191bb67873c9579fc611c",
    "signer": "0x156e67475888a9620b9228B8c3d6d125Dac2774f",
    "userId": "668661596"
  }
}