{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6104",
    "entityType": "User",
    "nonce": "0x7bd1dbb1361531a89e62b507fab94bdf0342e772316194dc70087252b65a7ce7",
    "signature": "0x2961930291ec59ca4e5616078a6055e477ab6b103ad2cbe5af3c0eb220583386739f65bdd60c0b64676cfcf7b437bf8fe9d917eb76b6dcf7316e06706a3c286e1b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}