{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x63431fd447dd75d8cc704197fd6b4c277197ee96ffa939f286cafaa2ccdbefab",
    "signature": "0x0bd16498b74a26488dc73792119dd7128b948a0770ab7175d95a84246a49c49c33e6ec93aa3a9fb15b82ad15c07ff282909586ea192ece2e26eee9fdaffd24861c",
    "signer": "0x257c9f4A9563d6A4a2bF3be7Da1738e167fcF295",
    "userId": "301719964"
  }
}