{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x7fdc3ecdfcd2987804c428294e142a4ef54412d07870c6236a515b0df7a71f69",
    "signature": "0x7e6faffa659a657d63cd5a3d7611bc6ffdc91dfe898056c53b8c5f2bdb56eb673039e06a494319c85320603696b1fc4340a0284534b0b973b893eff829fc531e1c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}