{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204399",
    "entityType": "User",
    "nonce": "0xb4c6c4c485b5ba9eb882bad070402d7fe6b013c9860c49b1581ee405d0c1e08e",
    "signature": "0x0cca1c90050c4017806f48ccb65929e8729397a972677bb4eb0acb4c72402ef56671eb8cdad72dfd5e62658b533183f92e2f7d74e0de68d75035357bf7c80f241b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}