{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62610",
    "entityType": "User",
    "nonce": "0x43f640a37dd32fe8b74c8e48fab1404e8e8323833f1fc0f6cefe08f4aaa6b024",
    "signature": "0x1debaf4a510d137ee0694863adef403cae07bf7771a5250b52f6df7b6d92ae360f32fbfbd097f0717a2e12610c633c6c3778ccd333a2a553184c0e4b3d9f00601c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}