{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54362",
    "entityType": "User",
    "nonce": "0x5de69ecb4392b998dd8fd32573c0f680c90e1e0915795ddff9212b30a7b7acda",
    "signature": "0x385a0684a814c9910c88c2c0cabb6424dff51eb55e40b3725c12c6b759ce11376401b49a2f5a53d24a93965c3a2d28fee746c047cde3fb86099a92fcf8f9f6831c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}