{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x34a56ce9f7c81d072d0246640120d7b8fdbcc147b60c729994992833101bab9e",
    "signature": "0x93feffc90e233059623fbb650051fd28164ebca1a9f61484a39dc039cc33394b5517a3e21589c0d479413ca06b7d0b324833a34746b1e9fe16996eef889e0e611b",
    "signer": "0xF95F6bcc507fE8C7c63a8B1820281FB68452fAD9",
    "userId": "694006811"
  }
}