{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11440",
    "entityType": "User",
    "nonce": "0xebf2aae8de3a4b0ff76e413b6b1e74ffd20ba1560757d345a2199401c61c5043",
    "signature": "0x993fc7389c3e9bcd92d75fad763c69a45c6f7123b637d8f72a1941ed9e37c1405f50614cf2dd6d1bf74f0d579004b870f48c35511463a94fda075b0d01fd4fec1c",
    "signer": "0xE6a2533061175ED4c7f073A7BE3dc4189A4DE47E",
    "userId": "427249190"
  }
}