{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "785050962",
    "entityType": "User",
    "nonce": "0x9790307d0791b610b72726c2b6dc7b2507c56e6c1d731862c3e0aee7df035c34",
    "signature": "0x27c08daa0c39026b5a9b4daddc60903ba3656a5a059f353500bf0cae9a74c35a20a3c1866ecf1de1154985fd9147ddae64be43f4f26007b03cc409b0f3f950391b",
    "signer": "0xBEa1dfDBA81a63AaE979F322c34709514594D0D0",
    "userId": "705121733"
  }
}