{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171040",
    "entityType": "User",
    "nonce": "0x954d352276a6fc4d935ed6e2293ad1b4ac2e7ca7288510fcd8c14ba5df8399ff",
    "signature": "0x475fd863fbedf91fc7f93898f973bccfd17279ef148fe17382be9a0c2c95db2b5e1f2bb4a322d12e5f499f4e9e893f2746e43bf2eff9519ef4e19c2025f61e781c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}