{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328108",
    "entityType": "User",
    "nonce": "0xc8af3248809aecb28ed18ad0da58b2b12d784756ab934f3e24dc679d47c223ba",
    "signature": "0x94106a83c51916d950dad44fc790ec82eab1a4eab550683692032c21550080d231b967d77f1be290b32671ab491da18191df7f4c8af90937e2099cff2f85a4e91b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}