{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "678556080",
    "entityType": "User",
    "nonce": "0x3ecfdd6dfa121ec3659952c8daa7c847c04ac316f0fafad0c8dda1bb377b9539",
    "signature": "0x152a41bac6798db0dba756967c3bdf438c964f0fccc05c2be1d2642692b75ad72c376d27276521093703cd8a2ba4abb15d5de22fa5f7123c08d9fe9c14657c151b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}