{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363104",
    "entityType": "User",
    "nonce": "0x5930ffa7aef42e10294fc84e63c5ec1488fcd958609dc60fc1e57dcdf1f6ac14",
    "signature": "0xcb135aa342743b6f046af3cef26c3605365e04b9c3606f6bea2e1a1d7b9c1cff40778c6f83c1fe3bfdef39dd9f9dd187cca8b807c43cb71afcf403b1962e4a231c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}