{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xf0c73a55cec8c0b4c261b435811272c6a182e0b4bf29ed1dcfa469651f8c3da9",
    "signature": "0x3ab697da0ed7142f0dc87a9412fc89e9f98300fbfe6c406a9b94bbb4f0dc7d6b460b356e34eb756323bb8aa07b34b2ffcb2fdeaccb5aadc38982d0b78e6bd45d1c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}