{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51616847",
    "entityType": "User",
    "nonce": "0xff62b0cb06ff21a9f366e6da9dca92c26add4adf3536904005387ce1a9a9db8f",
    "signature": "0xe39196436712ebcc838e4c105b94f9464c6a2544e70422c5f888e72e3c5a1706449654b2535ce6843362e0c2086380af31e6d34349df7fc8a476d3eef6f927b51b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}