{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xb276f048580fa9e72fe4cce58533eed3eb6ae288966718a0d5d4f715a3bc784f",
    "signature": "0xd3903de00cec8a98518757c36bd544bc05207f68be35e3f4eb8bff8b289f951254c2b8f92cc5670c89148bd7cb5dcd6a4ed0828493953f4605afb785eb4a396b1c",
    "signer": "0x220e20a4d7dE27e26a3ddECa10269BEc7c3094bD",
    "userId": "567899841"
  }
}