{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "634886384",
    "entityType": "User",
    "nonce": "0x5dda99efa74a649b99c74948f155e5b9c7a7a18ee66bcc05dee1e9407c916edd",
    "signature": "0x5cab244e9b4f56ca417900ba4bda1661c3c5a807c1947b46c7d54a96babfec07503404ee9853a66172315f7732405ba97709237e90efd929b9c8dbf42f9284141c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}