{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2046878",
    "entityType": "User",
    "nonce": "0x0d53e3203303d446d33dec1cc13016facb3ba674ad2be6ad86784f6501d38310",
    "signature": "0x7700e193a3ec58076c2f85ab9c6fc673e27c7c1c25b203e82327d5e5b4ebd8d270aa863b41d55ffc1b5e1634c38dc2a1082099f434dd022721069d6041bfdc041c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}