{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205511",
    "entityType": "User",
    "nonce": "0x0d49176377232bc3c38e65e50486a76c08c38d126e80cc76e0d225172e52fb02",
    "signature": "0x4ef287dd5843c6cb608da3e34bf5024b6bc200e7d6026471fb4fa03a795731084f3f5fbcbb55fa23bb841461441dc838c06dfa7b8e0756316c86c382177cecac1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}