{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170541",
    "entityType": "User",
    "nonce": "0xa0fe9c29995e92188e3dbac6a827761fd58c8b696e9a0c29b0fdd774a0ecd226",
    "signature": "0xe9f443cb1b298c8acaf250cd3f5410b3c4317810c07fb5017cb21e10d12fe09d38ca9d1ef1bba8b34a61970868261c36f14d1c38317e6aaa4b8b2a2704b399c41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}