{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x679b2e02f40541ea729f217c3942848ea31311bafac965a06196205846208f1e",
    "signature": "0xafb15dd78d65d7ce80998f598bc77a8062aadf279588028297f966756b2d528264b6cbd40ad464578f69b862d2a69ec4573f7d25c5554299be4ca178b585dda11c",
    "signer": "0x57DaaDb4e3E2AdC0B422528531BCb1aa05EFF04C",
    "userId": "92642250"
  }
}