{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171657",
    "entityType": "User",
    "nonce": "0x7c38e41d3031477d8e4df9ddcd4841ed2eb6faddd8dec2ae0fda9fe2266c9c68",
    "signature": "0x3e19dfdf0c1e09880aab7e7cc9076f545c3aaab345bcd67c6226a2880b74ae8f5870df7ab1cb764f855f199cd665f8f7ad0ebd3ea4aec8cfeae59531b5a2cdd01b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}