{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "209816375",
    "entityType": "User",
    "nonce": "0x82a841c3df9c1e1cbefe857176109d8dd072cb9917a7b35c379925c46ee8db7d",
    "signature": "0x99f470031bd72ccb9668fd1d6db7d06a5fb2840839520ba1f047483b8bfe7fba49771d22797e995a492fcc98339b523e0e6a2ccf352ede023a447d7f1c8ffc141b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}