{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "785225",
    "entityType": "User",
    "nonce": "0x3940bea2600aa44ec27b5adc309b581f816bf37963b3e88bbaed1889114b8735",
    "signature": "0x2061594c467bf6c8aa4fd42d136e4cd7ff680e2ca01560218ebddf714e1160311e41cd4ac39fbb0ddf229c174bbca7919cf9034cdf54d5f0a912c2d7090ea2f81c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}