{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787067",
    "entityType": "User",
    "nonce": "0x085daab9964382af06848bfb852f4fa9b58b1fec17919cfdd6d5a7bf269f64c7",
    "signature": "0x8243999ec0d348abb38538fa259c5bf4eb57ab1fcd57e2114cab261ffeb664fe292526d0ecc0092415abc2f5fc8ecec4570f2e7cd0466d9bd215743fc9da71f51c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}