{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "940905785",
    "entityType": "User",
    "nonce": "0xebf1c8484b11e06c422300607c998a742c07680ab551d7d068e9be179aeb6c33",
    "signature": "0x7d7174bfd5dc51784b36adcbb727dd1c6c94e6f87e0162523e747a99f0d91dc81fde40de5fb79d92b43d182f28e265ef4283122599261a4ca28bf7bb177653861c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}