{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3233",
    "entityType": "User",
    "nonce": "0x81584640e6d763b831e9c9ca70ceb92b81bebd39c7168112f7c6241747aa3e07",
    "signature": "0x647dbb1a4e4eb6964833ccd2099d9d43df6f013204e3813de86f161c43052dd751f3f229a22ff2ae7ab36dd729591d5bbc490cf2722408db1b7e7fca5a174eb41c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}