{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x018ae953e3f9bab56067356f0e3339507925640f52d6a566aed4fad7bf800363",
    "signature": "0xc6c27fd4a78fa7dea0e267416408cc2fc1ea8d2add345855fb242e73c0fc42a341a1071523e90eb7e47df7290c547846fb0d61e18c255e49a615188ae6f7ab1b1c",
    "signer": "0x0635b2A4a4cC43C41C76863d69F8c916408F4D2b",
    "userId": "745060719"
  }
}