{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1233",
    "entityType": "User",
    "nonce": "0xc1a75a1953b7a5996cb193884fd74f950e5732c01f3e1775e5dadbd2ea996e3a",
    "signature": "0x8d79c46b639b53e6df06b8965f9519782c890f3664afbe4eed24f0e5ead930d874a0ef701b293f8062fd206280e03b95771732e6e9f98b9293457f4a34fbb8cb1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}