{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169798",
    "entityType": "User",
    "nonce": "0x88e612ea57b8ca184c2167b965f1bf6b2f4a92b55a95766033dc224341bee630",
    "signature": "0x3dc51b9e9e4dc3aefb63428c39b736bac916e923281848bab740c1f384f26bf70f419c2ee3c0f04165d1cfda60496f39cf040af84fa2ab69650b019102b02ff11b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}