{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "46604807",
    "entityType": "User",
    "nonce": "0x96e6f3adee3fe0010fcd0f93f601790dd10e61b2b1e9abb9e217a8a517167f8b",
    "signature": "0xa7095539daf4382f4f2d434329c0a05e36c28420a156e8dab0eaf3af656184c565ba110297e7f21f6a7699f91e1fc071c7cafe5fb657cf13f272b96a089f94ab1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}