{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61223",
    "entityType": "User",
    "nonce": "0x48a0d70333a5c32b1e6f78e9357d9f64e49ba6cac529dcc311d52b33e5b3b929",
    "signature": "0x27f6737081f331454a32fb0d7f70962471420eea8ba90c58783af2235176e6820fdd245670ec3a689bdeefe73a69fb5347a9d660f3ccaf3e977db39896d861c21b",
    "signer": "0x54D362526D5eB0fc8EB7d57F98e44043728242Fd",
    "userId": "299215619"
  }
}