{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xaa13f95085d724dd1435e0bc941defd1aa3eacc705589b6922c134c4a15250b1",
    "signature": "0xc84c4ed9deb73dbb12391f212c7b52118b3e4ccb3156188a45df8561ef6dc85270d40a16f9aef9b5f7d4e4cc0bd373ff60bb6f690f04074e4a09e5486fc1b69b1c",
    "signer": "0xcDd4bA67dFa5A12799fdF828BAe6484f14Fb02Fc",
    "userId": "502753271"
  }
}