{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x65d440dfd5f0e5561119db4f1b73a3b58c5b3297317f1b8176bd039b48237c10",
    "signature": "0x23fc3fa7ab3f83a336176569a761bd5d5d06aed4b5a23e6b79a87b77123e21fa79a35d2780e4e71ba0fd9ce18169df8935ff5fd2e2e1b0a77b473800ce26efbd1b",
    "signer": "0x9f5896C078219d89B9A5D8B9C381b7be8BEf4CFA",
    "userId": "56704236"
  }
}