{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "991821949",
    "entityType": "User",
    "nonce": "0xd932cfe700a8af895603d18797d0e35b1ee25fe337e82553e870cb64ab92d059",
    "signature": "0xa7bce00a0a186d51eab9bb0a15566de908c955d782cf7fae121046bf713467fa03eb8a53e2f3355a1620b10cd10f27f1b0033503187baf4da479dd4fc9c37a611c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}