{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85774",
    "entityType": "User",
    "nonce": "0xbf3580a76112f6fbcd23f55f6d63d665e4eb6fbf1b22892a804e9f8cb588a75c",
    "signature": "0x3c158babdd61565c1de5ba8da127a21e0e87877a24e6907c76a71dc8ca0ac2a33d959ab7dd7fbf419ebf90fa7d7a1b10d161a4287137f3e55517b0f1b5c23cde1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}