{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "256614453",
    "entityType": "User",
    "nonce": "0xb32aba9feb02945c653f5f85bd2e754aeb1c3dd2eeb6eabe8c8bbac7e5015885",
    "signature": "0xefbec9b560bf21c087389dad4bb63d82e95220c71faeb258b5fa553c8049e58b7f2927d532491254bccdb8f481ad43d059ca7ede89cc8a9791d17d276a8ffa121b",
    "signer": "0xfEf71DA96b2A873D3fFA10091881F607a11Fadcc",
    "userId": "94805"
  }
}