{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0xeebfec499292304209e47ec61c5f0fbb1ba63413da7ecd15d1b5dc76fd0fef8a",
    "signature": "0xfe22b65b3a0b79805f8eecace42bef26d425d979873bd29e7ba76801b6a5e5c8550088cde3f72339dbff9a028f229c5741d0cfc3d468643bf97840bed80981fc1c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}