{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48247",
    "entityType": "User",
    "nonce": "0x85472a3c7cde6328d399eee77e6322781afdc9bd05fb0da1cad73de09234cf63",
    "signature": "0xd594b7fe75e27723a9dbb50a3dc76b7e4b1e2190c64347f30149e4aba74d916d4204a1eb63bb50df9af35398dec726da19a9ef631454239921db103fe9f819d51c",
    "signer": "0x5E915A4D9D9cb7A5693e7CFA960376B24A181Ae1",
    "userId": "864558519"
  }
}