{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3668",
    "entityType": "User",
    "nonce": "0xf95edb2844f9b3fb3fad2245b129dfc556e99f9a678f204add54d933eb92f170",
    "signature": "0xc24659bf072f3b25309038effeba6c8f2c004a78d7b5e1c4cec71948ce896866255d962f6d220a7932844a8ba9ebeb415b477842c6cd22d68ee2ac1ebf310abd1b",
    "signer": "0x32e5e224E0727A7B2CA7FBC47b945D1B1A59abDc",
    "userId": "76829893"
  }
}