{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964877918",
    "entityType": "User",
    "nonce": "0x33fc932e68d2af2c63945c4ec8252f6dda12c6f7465b691aa1031c9944f7e50b",
    "signature": "0x9b79ce77f30b7bc77752e1de56f22446ab97908798b34f3e065dc2d8c7e3a94860f0ab30471271fdcad70b5a4e9a1c5a67d4ad6be617ec327324381bed12253a1b",
    "signer": "0x03eBd76f03fee1b68d042AE492e5168848BEb443",
    "userId": "180170571"
  }
}