{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "720903941",
    "entityType": "User",
    "nonce": "0xc2732979e427ffa8740c0ac2c1be7cc2082ba932421995d103e2068f8598d79a",
    "signature": "0xb36ee4c43d99a8d507b6e43e887c34329cc1b1cb6514985f7f5250cf152ea6665c82d655640ad40ec0b5323f6d494f17bce558838b8b274b49de542c1fca62b41c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}