{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89091852",
    "entityType": "User",
    "nonce": "0xbddb41a48c9e86837ec9c85a189e530ebb9bbdca847fd1eb9e4b65a806f6ccbd",
    "signature": "0x6f856e9aa7b3e0385a50d55a4639b698c754b8024e9f923ebb3c9fb67ea225fa59492ad347e8df7e89f0116c144433ceec74a2124af383ac5c5b1bcbbf88dece1c",
    "signer": "0x39788E2D020D54760872178Cea0d5AF12732F02D",
    "userId": "720903941"
  }
}